Home / 13,144.29-19,702.58-6,471.54

Finding the Fourth Proportional to 13,144.29, 19,702.58 and 6,471.54

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Solution

The fourth proportional to 13,144.29, 19,702.58 and 6,471.54 is: 9,700.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144.29 : 19,702.58 = 6,471.54 : x
  2. Step 2: Convert to fraction form
    13,144.29/19,702.58 = 6,471.54/x
  3. Step 3: Cross multiply
    13,144.29x = 19,702.58 × 6,471.54
  4. Step 4: Simplify right side
    13,144.29x = 127,506,002.22
  5. Step 5: Solve for x
    x = 127,506,002.22/13,144.29
  6. Step 6: Final answer
    x = 9,700.49

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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.