Home / 42,663.24-63,996.48-11,498.76

Finding the Fourth Proportional to 42,663.24, 63,996.48 and 11,498.76

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Solution

The fourth proportional to 42,663.24, 63,996.48 and 11,498.76 is: 17,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,663.24 : 63,996.48 = 11,498.76 : x
  2. Step 2: Convert to fraction form
    42,663.24/63,996.48 = 11,498.76/x
  3. Step 3: Cross multiply
    42,663.24x = 63,996.48 × 11,498.76
  4. Step 4: Simplify right side
    42,663.24x = 735,880,164.36
  5. Step 5: Solve for x
    x = 735,880,164.36/42,663.24
  6. Step 6: Final answer
    x = 17,248.58

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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.