Home / 19,261.48-26,602.78-12,962.92

Finding the Fourth Proportional to 19,261.48, 26,602.78 and 12,962.92

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Solution

The fourth proportional to 19,261.48, 26,602.78 and 12,962.92 is: 17,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.48 : 26,602.78 = 12,962.92 : x
  2. Step 2: Convert to fraction form
    19,261.48/26,602.78 = 12,962.92/x
  3. Step 3: Cross multiply
    19,261.48x = 26,602.78 × 12,962.92
  4. Step 4: Simplify right side
    19,261.48x = 344,849,708.92
  5. Step 5: Solve for x
    x = 344,849,708.92/19,261.48
  6. Step 6: Final answer
    x = 17,903.59

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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.