Home / 14,961.40-22,442.10-5,111.80

Finding the Fourth Proportional to 14,961.40, 22,442.10 and 5,111.80

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Solution

The fourth proportional to 14,961.40, 22,442.10 and 5,111.80 is: 7,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.40 : 22,442.10 = 5,111.80 : x
  2. Step 2: Convert to fraction form
    14,961.40/22,442.10 = 5,111.80/x
  3. Step 3: Cross multiply
    14,961.40x = 22,442.10 × 5,111.80
  4. Step 4: Simplify right side
    14,961.40x = 114,719,526.78
  5. Step 5: Solve for x
    x = 114,719,526.78/14,961.40
  6. Step 6: Final answer
    x = 7,667.70

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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.