Home / 31,624.15-47,436.23-11,907.13

Finding the Fourth Proportional to 31,624.15, 47,436.23 and 11,907.13

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Solution

The fourth proportional to 31,624.15, 47,436.23 and 11,907.13 is: 17,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.15 : 47,436.23 = 11,907.13 : x
  2. Step 2: Convert to fraction form
    31,624.15/47,436.23 = 11,907.13/x
  3. Step 3: Cross multiply
    31,624.15x = 47,436.23 × 11,907.13
  4. Step 4: Simplify right side
    31,624.15x = 564,829,357.32
  5. Step 5: Solve for x
    x = 564,829,357.32/31,624.15
  6. Step 6: Final answer
    x = 17,860.70

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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.