Home / 14,005.32-19,326.95-7,955.19

Finding the Fourth Proportional to 14,005.32, 19,326.95 and 7,955.19

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Solution

The fourth proportional to 14,005.32, 19,326.95 and 7,955.19 is: 10,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.32 : 19,326.95 = 7,955.19 : x
  2. Step 2: Convert to fraction form
    14,005.32/19,326.95 = 7,955.19/x
  3. Step 3: Cross multiply
    14,005.32x = 19,326.95 × 7,955.19
  4. Step 4: Simplify right side
    14,005.32x = 153,749,519.59
  5. Step 5: Solve for x
    x = 153,749,519.59/14,005.32
  6. Step 6: Final answer
    x = 10,977.94

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.