Home / 13,527.59-20,291.37-8,877.02

Finding the Fourth Proportional to 13,527.59, 20,291.37 and 8,877.02

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Solution

The fourth proportional to 13,527.59, 20,291.37 and 8,877.02 is: 13,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.59 : 20,291.37 = 8,877.02 : x
  2. Step 2: Convert to fraction form
    13,527.59/20,291.37 = 8,877.02/x
  3. Step 3: Cross multiply
    13,527.59x = 20,291.37 × 8,877.02
  4. Step 4: Simplify right side
    13,527.59x = 180,126,795.86
  5. Step 5: Solve for x
    x = 180,126,795.86/13,527.59
  6. Step 6: Final answer
    x = 13,315.52

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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.