Home / 24,115.68-36,128.16-18,905.76

Finding the Fourth Proportional to 24,115.68, 36,128.16 and 18,905.76

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Solution

The fourth proportional to 24,115.68, 36,128.16 and 18,905.76 is: 28,323.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,115.68 : 36,128.16 = 18,905.76 : x
  2. Step 2: Convert to fraction form
    24,115.68/36,128.16 = 18,905.76/x
  3. Step 3: Cross multiply
    24,115.68x = 36,128.16 × 18,905.76
  4. Step 4: Simplify right side
    24,115.68x = 683,030,322.20
  5. Step 5: Solve for x
    x = 683,030,322.20/24,115.68
  6. Step 6: Final answer
    x = 28,323.08

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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.