Home / 15,618.24-23,385.60-9,763.20

Finding the Fourth Proportional to 15,618.24, 23,385.60 and 9,763.20

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Solution

The fourth proportional to 15,618.24, 23,385.60 and 9,763.20 is: 14,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.24 : 23,385.60 = 9,763.20 : x
  2. Step 2: Convert to fraction form
    15,618.24/23,385.60 = 9,763.20/x
  3. Step 3: Cross multiply
    15,618.24x = 23,385.60 × 9,763.20
  4. Step 4: Simplify right side
    15,618.24x = 228,318,289.92
  5. Step 5: Solve for x
    x = 228,318,289.92/15,618.24
  6. Step 6: Final answer
    x = 14,618.70

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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.