Home / 12,957.51-19,340.08-11,170.92

Finding the Fourth Proportional to 12,957.51, 19,340.08 and 11,170.92

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Solution

The fourth proportional to 12,957.51, 19,340.08 and 11,170.92 is: 16,673.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.51 : 19,340.08 = 11,170.92 : x
  2. Step 2: Convert to fraction form
    12,957.51/19,340.08 = 11,170.92/x
  3. Step 3: Cross multiply
    12,957.51x = 19,340.08 × 11,170.92
  4. Step 4: Simplify right side
    12,957.51x = 216,046,486.47
  5. Step 5: Solve for x
    x = 216,046,486.47/12,957.51
  6. Step 6: Final answer
    x = 16,673.46

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.