Home / 24,678.78-34,054.45-15,114.30

Finding the Fourth Proportional to 24,678.78, 34,054.45 and 15,114.30

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Solution

The fourth proportional to 24,678.78, 34,054.45 and 15,114.30 is: 20,856.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,678.78 : 34,054.45 = 15,114.30 : x
  2. Step 2: Convert to fraction form
    24,678.78/34,054.45 = 15,114.30/x
  3. Step 3: Cross multiply
    24,678.78x = 34,054.45 × 15,114.30
  4. Step 4: Simplify right side
    24,678.78x = 514,709,337.99
  5. Step 5: Solve for x
    x = 514,709,337.99/24,678.78
  6. Step 6: Final answer
    x = 20,856.35

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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.