Home / 24,105.60-36,080.64-12,402.72

Finding the Fourth Proportional to 24,105.60, 36,080.64 and 12,402.72

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Solution

The fourth proportional to 24,105.60, 36,080.64 and 12,402.72 is: 18,564.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,105.60 : 36,080.64 = 12,402.72 : x
  2. Step 2: Convert to fraction form
    24,105.60/36,080.64 = 12,402.72/x
  3. Step 3: Cross multiply
    24,105.60x = 36,080.64 × 12,402.72
  4. Step 4: Simplify right side
    24,105.60x = 447,498,075.34
  5. Step 5: Solve for x
    x = 447,498,075.34/24,105.60
  6. Step 6: Final answer
    x = 18,564.07

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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.