Home / 17,311.10-25,966.65-13,368.12

Finding the Fourth Proportional to 17,311.10, 25,966.65 and 13,368.12

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Solution

The fourth proportional to 17,311.10, 25,966.65 and 13,368.12 is: 20,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.10 : 25,966.65 = 13,368.12 : x
  2. Step 2: Convert to fraction form
    17,311.10/25,966.65 = 13,368.12/x
  3. Step 3: Cross multiply
    17,311.10x = 25,966.65 × 13,368.12
  4. Step 4: Simplify right side
    17,311.10x = 347,125,279.71
  5. Step 5: Solve for x
    x = 347,125,279.71/17,311.10
  6. Step 6: Final answer
    x = 20,052.18

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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.