Home / 42,912.74-64,348.35-14,822.95

Finding the Fourth Proportional to 42,912.74, 64,348.35 and 14,822.95

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Solution

The fourth proportional to 42,912.74, 64,348.35 and 14,822.95 is: 22,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912.74 : 64,348.35 = 14,822.95 : x
  2. Step 2: Convert to fraction form
    42,912.74/64,348.35 = 14,822.95/x
  3. Step 3: Cross multiply
    42,912.74x = 64,348.35 × 14,822.95
  4. Step 4: Simplify right side
    42,912.74x = 953,832,320.52
  5. Step 5: Solve for x
    x = 953,832,320.52/42,912.74
  6. Step 6: Final answer
    x = 22,227.25

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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.