Home / 15,853.60-23,731.80-9,260.20

Finding the Fourth Proportional to 15,853.60, 23,731.80 and 9,260.20

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Solution

The fourth proportional to 15,853.60, 23,731.80 and 9,260.20 is: 13,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853.60 : 23,731.80 = 9,260.20 : x
  2. Step 2: Convert to fraction form
    15,853.60/23,731.80 = 9,260.20/x
  3. Step 3: Cross multiply
    15,853.60x = 23,731.80 × 9,260.20
  4. Step 4: Simplify right side
    15,853.60x = 219,761,214.36
  5. Step 5: Solve for x
    x = 219,761,214.36/15,853.60
  6. Step 6: Final answer
    x = 13,861.91

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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.