Home / 13,531.20-20,296.56-6,953.52

Finding the Fourth Proportional to 13,531.20, 20,296.56 and 6,953.52

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Solution

The fourth proportional to 13,531.20, 20,296.56 and 6,953.52 is: 10,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.20 : 20,296.56 = 6,953.52 : x
  2. Step 2: Convert to fraction form
    13,531.20/20,296.56 = 6,953.52/x
  3. Step 3: Cross multiply
    13,531.20x = 20,296.56 × 6,953.52
  4. Step 4: Simplify right side
    13,531.20x = 141,132,535.89
  5. Step 5: Solve for x
    x = 141,132,535.89/13,531.20
  6. Step 6: Final answer
    x = 10,430.16

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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.