Home / 20,542.02-28,347.33-11,589.40

Finding the Fourth Proportional to 20,542.02, 28,347.33 and 11,589.40

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Solution

The fourth proportional to 20,542.02, 28,347.33 and 11,589.40 is: 15,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.02 : 28,347.33 = 11,589.40 : x
  2. Step 2: Convert to fraction form
    20,542.02/28,347.33 = 11,589.40/x
  3. Step 3: Cross multiply
    20,542.02x = 28,347.33 × 11,589.40
  4. Step 4: Simplify right side
    20,542.02x = 328,528,546.30
  5. Step 5: Solve for x
    x = 328,528,546.30/20,542.02
  6. Step 6: Final answer
    x = 15,993.00

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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.