Home / 14,493.12-20,008.80-9,539.52

Finding the Fourth Proportional to 14,493.12, 20,008.80 and 9,539.52

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Solution

The fourth proportional to 14,493.12, 20,008.80 and 9,539.52 is: 13,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.12 : 20,008.80 = 9,539.52 : x
  2. Step 2: Convert to fraction form
    14,493.12/20,008.80 = 9,539.52/x
  3. Step 3: Cross multiply
    14,493.12x = 20,008.80 × 9,539.52
  4. Step 4: Simplify right side
    14,493.12x = 190,874,347.78
  5. Step 5: Solve for x
    x = 190,874,347.78/14,493.12
  6. Step 6: Final answer
    x = 13,170.00

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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.