Home / 48,346.80-72,527.40-13,287.12

Finding the Fourth Proportional to 48,346.80, 72,527.40 and 13,287.12

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Solution

The fourth proportional to 48,346.80, 72,527.40 and 13,287.12 is: 19,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,346.80 : 72,527.40 = 13,287.12 : x
  2. Step 2: Convert to fraction form
    48,346.80/72,527.40 = 13,287.12/x
  3. Step 3: Cross multiply
    48,346.80x = 72,527.40 × 13,287.12
  4. Step 4: Simplify right side
    48,346.80x = 963,680,267.09
  5. Step 5: Solve for x
    x = 963,680,267.09/48,346.80
  6. Step 6: Final answer
    x = 19,932.66

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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.