Home / 24,678.78-34,056.66-13,500.78

Finding the Fourth Proportional to 24,678.78, 34,056.66 and 13,500.78

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Solution

The fourth proportional to 24,678.78, 34,056.66 and 13,500.78 is: 18,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,678.78 : 34,056.66 = 13,500.78 : x
  2. Step 2: Convert to fraction form
    24,678.78/34,056.66 = 13,500.78/x
  3. Step 3: Cross multiply
    24,678.78x = 34,056.66 × 13,500.78
  4. Step 4: Simplify right side
    24,678.78x = 459,791,474.19
  5. Step 5: Solve for x
    x = 459,791,474.19/24,678.78
  6. Step 6: Final answer
    x = 18,631.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.