Home / 21,540.02-32,263.25-10,423.38

Finding the Fourth Proportional to 21,540.02, 32,263.25 and 10,423.38

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Solution

The fourth proportional to 21,540.02, 32,263.25 and 10,423.38 is: 15,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540.02 : 32,263.25 = 10,423.38 : x
  2. Step 2: Convert to fraction form
    21,540.02/32,263.25 = 10,423.38/x
  3. Step 3: Cross multiply
    21,540.02x = 32,263.25 × 10,423.38
  4. Step 4: Simplify right side
    21,540.02x = 336,292,062.67
  5. Step 5: Solve for x
    x = 336,292,062.67/21,540.02
  6. Step 6: Final answer
    x = 15,612.43

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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.