Home / 42,752.92-64,123.36-14,672.48

Finding the Fourth Proportional to 42,752.92, 64,123.36 and 14,672.48

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Solution

The fourth proportional to 42,752.92, 64,123.36 and 14,672.48 is: 22,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,752.92 : 64,123.36 = 14,672.48 : x
  2. Step 2: Convert to fraction form
    42,752.92/64,123.36 = 14,672.48/x
  3. Step 3: Cross multiply
    42,752.92x = 64,123.36 × 14,672.48
  4. Step 4: Simplify right side
    42,752.92x = 940,848,643.77
  5. Step 5: Solve for x
    x = 940,848,643.77/42,752.92
  6. Step 6: Final answer
    x = 22,006.65

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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.