Home / 13,702.19-20,551.55-4,343.18

Finding the Fourth Proportional to 13,702.19, 20,551.55 and 4,343.18

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Solution

The fourth proportional to 13,702.19, 20,551.55 and 4,343.18 is: 6,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.19 : 20,551.55 = 4,343.18 : x
  2. Step 2: Convert to fraction form
    13,702.19/20,551.55 = 4,343.18/x
  3. Step 3: Cross multiply
    13,702.19x = 20,551.55 × 4,343.18
  4. Step 4: Simplify right side
    13,702.19x = 89,258,956.46
  5. Step 5: Solve for x
    x = 89,258,956.46/13,702.19
  6. Step 6: Final answer
    x = 6,514.21

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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.