Home / 42,795.28-64,203.44-14,715.76

Finding the Fourth Proportional to 42,795.28, 64,203.44 and 14,715.76

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Solution

The fourth proportional to 42,795.28, 64,203.44 and 14,715.76 is: 22,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,795.28 : 64,203.44 = 14,715.76 : x
  2. Step 2: Convert to fraction form
    42,795.28/64,203.44 = 14,715.76/x
  3. Step 3: Cross multiply
    42,795.28x = 64,203.44 × 14,715.76
  4. Step 4: Simplify right side
    42,795.28x = 944,802,414.21
  5. Step 5: Solve for x
    x = 944,802,414.21/42,795.28
  6. Step 6: Final answer
    x = 22,077.26

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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.