Home / 21,543.72-32,317.90-9,065.02

Finding the Fourth Proportional to 21,543.72, 32,317.90 and 9,065.02

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Solution

The fourth proportional to 21,543.72, 32,317.90 and 9,065.02 is: 13,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.72 : 32,317.90 = 9,065.02 : x
  2. Step 2: Convert to fraction form
    21,543.72/32,317.90 = 9,065.02/x
  3. Step 3: Cross multiply
    21,543.72x = 32,317.90 × 9,065.02
  4. Step 4: Simplify right side
    21,543.72x = 292,962,409.86
  5. Step 5: Solve for x
    x = 292,962,409.86/21,543.72
  6. Step 6: Final answer
    x = 13,598.51

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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.