Home / 39,663.81-59,495.92-13,368.78

Finding the Fourth Proportional to 39,663.81, 59,495.92 and 13,368.78

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Solution

The fourth proportional to 39,663.81, 59,495.92 and 13,368.78 is: 20,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.81 : 59,495.92 = 13,368.78 : x
  2. Step 2: Convert to fraction form
    39,663.81/59,495.92 = 13,368.78/x
  3. Step 3: Cross multiply
    39,663.81x = 59,495.92 × 13,368.78
  4. Step 4: Simplify right side
    39,663.81x = 795,387,831.96
  5. Step 5: Solve for x
    x = 795,387,831.96/39,663.81
  6. Step 6: Final answer
    x = 20,053.24

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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.