Home / 42,717.24-64,070.76-11,554.92

Finding the Fourth Proportional to 42,717.24, 64,070.76 and 11,554.92

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Solution

The fourth proportional to 42,717.24, 64,070.76 and 11,554.92 is: 17,331.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,717.24 : 64,070.76 = 11,554.92 : x
  2. Step 2: Convert to fraction form
    42,717.24/64,070.76 = 11,554.92/x
  3. Step 3: Cross multiply
    42,717.24x = 64,070.76 × 11,554.92
  4. Step 4: Simplify right side
    42,717.24x = 740,332,506.14
  5. Step 5: Solve for x
    x = 740,332,506.14/42,717.24
  6. Step 6: Final answer
    x = 17,331.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.