Home / 42,832.55-64,248.84-13,250.66

Finding the Fourth Proportional to 42,832.55, 64,248.84 and 13,250.66

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Solution

The fourth proportional to 42,832.55, 64,248.84 and 13,250.66 is: 19,875.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,832.55 : 64,248.84 = 13,250.66 : x
  2. Step 2: Convert to fraction form
    42,832.55/64,248.84 = 13,250.66/x
  3. Step 3: Cross multiply
    42,832.55x = 64,248.84 × 13,250.66
  4. Step 4: Simplify right side
    42,832.55x = 851,339,212.99
  5. Step 5: Solve for x
    x = 851,339,212.99/42,832.55
  6. Step 6: Final answer
    x = 19,875.99

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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.