Home / 39,472.19-59,186.32-13,162.58

Finding the Fourth Proportional to 39,472.19, 59,186.32 and 13,162.58

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Solution

The fourth proportional to 39,472.19, 59,186.32 and 13,162.58 is: 19,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,472.19 : 59,186.32 = 13,162.58 : x
  2. Step 2: Convert to fraction form
    39,472.19/59,186.32 = 13,162.58/x
  3. Step 3: Cross multiply
    39,472.19x = 59,186.32 × 13,162.58
  4. Step 4: Simplify right side
    39,472.19x = 779,044,671.91
  5. Step 5: Solve for x
    x = 779,044,671.91/39,472.19
  6. Step 6: Final answer
    x = 19,736.55

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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.