Home / 42,663.52-63,998.70-11,498.32

Finding the Fourth Proportional to 42,663.52, 63,998.70 and 11,498.32

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Solution

The fourth proportional to 42,663.52, 63,998.70 and 11,498.32 is: 17,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,663.52 : 63,998.70 = 11,498.32 : x
  2. Step 2: Convert to fraction form
    42,663.52/63,998.70 = 11,498.32/x
  3. Step 3: Cross multiply
    42,663.52x = 63,998.70 × 11,498.32
  4. Step 4: Simplify right side
    42,663.52x = 735,877,532.18
  5. Step 5: Solve for x
    x = 735,877,532.18/42,663.52
  6. Step 6: Final answer
    x = 17,248.40

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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.