Home / 39,648.13-59,472.19-11,946.13

Finding the Fourth Proportional to 39,648.13, 59,472.19 and 11,946.13

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Solution

The fourth proportional to 39,648.13, 59,472.19 and 11,946.13 is: 17,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,648.13 : 59,472.19 = 11,946.13 : x
  2. Step 2: Convert to fraction form
    39,648.13/59,472.19 = 11,946.13/x
  3. Step 3: Cross multiply
    39,648.13x = 59,472.19 × 11,946.13
  4. Step 4: Simplify right side
    39,648.13x = 710,462,513.12
  5. Step 5: Solve for x
    x = 710,462,513.12/39,648.13
  6. Step 6: Final answer
    x = 17,919.19

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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.