Home / 15,740.10-23,601.15-5,879.70

Finding the Fourth Proportional to 15,740.10, 23,601.15 and 5,879.70

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Solution

The fourth proportional to 15,740.10, 23,601.15 and 5,879.70 is: 8,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.10 : 23,601.15 = 5,879.70 : x
  2. Step 2: Convert to fraction form
    15,740.10/23,601.15 = 5,879.70/x
  3. Step 3: Cross multiply
    15,740.10x = 23,601.15 × 5,879.70
  4. Step 4: Simplify right side
    15,740.10x = 138,767,681.66
  5. Step 5: Solve for x
    x = 138,767,681.66/15,740.10
  6. Step 6: Final answer
    x = 8,816.19

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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.