Home / 14,967.60-20,655.45-8,253.24

Finding the Fourth Proportional to 14,967.60, 20,655.45 and 8,253.24

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Solution

The fourth proportional to 14,967.60, 20,655.45 and 8,253.24 is: 11,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.60 : 20,655.45 = 8,253.24 : x
  2. Step 2: Convert to fraction form
    14,967.60/20,655.45 = 8,253.24/x
  3. Step 3: Cross multiply
    14,967.60x = 20,655.45 × 8,253.24
  4. Step 4: Simplify right side
    14,967.60x = 170,474,386.16
  5. Step 5: Solve for x
    x = 170,474,386.16/14,967.60
  6. Step 6: Final answer
    x = 11,389.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.