Home / 25,955.02-38,920.20-13,462.53

Finding the Fourth Proportional to 25,955.02, 38,920.20 and 13,462.53

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Solution

The fourth proportional to 25,955.02, 38,920.20 and 13,462.53 is: 20,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,955.02 : 38,920.20 = 13,462.53 : x
  2. Step 2: Convert to fraction form
    25,955.02/38,920.20 = 13,462.53/x
  3. Step 3: Cross multiply
    25,955.02x = 38,920.20 × 13,462.53
  4. Step 4: Simplify right side
    25,955.02x = 523,964,360.11
  5. Step 5: Solve for x
    x = 523,964,360.11/25,955.02
  6. Step 6: Final answer
    x = 20,187.40

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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.