Home / 42,437.98-63,663.86-14,359.76

Finding the Fourth Proportional to 42,437.98, 63,663.86 and 14,359.76

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Solution

The fourth proportional to 42,437.98, 63,663.86 and 14,359.76 is: 21,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,437.98 : 63,663.86 = 14,359.76 : x
  2. Step 2: Convert to fraction form
    42,437.98/63,663.86 = 14,359.76/x
  3. Step 3: Cross multiply
    42,437.98x = 63,663.86 × 14,359.76
  4. Step 4: Simplify right side
    42,437.98x = 914,197,678.47
  5. Step 5: Solve for x
    x = 914,197,678.47/42,437.98
  6. Step 6: Final answer
    x = 21,541.97

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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.