Home / 43,326.06-64,989.11-15,624.06

Finding the Fourth Proportional to 43,326.06, 64,989.11 and 15,624.06

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Solution

The fourth proportional to 43,326.06, 64,989.11 and 15,624.06 is: 23,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,326.06 : 64,989.11 = 15,624.06 : x
  2. Step 2: Convert to fraction form
    43,326.06/64,989.11 = 15,624.06/x
  3. Step 3: Cross multiply
    43,326.06x = 64,989.11 × 15,624.06
  4. Step 4: Simplify right side
    43,326.06x = 1,015,393,753.99
  5. Step 5: Solve for x
    x = 1,015,393,753.99/43,326.06
  6. Step 6: Final answer
    x = 23,436.10

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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.