Home / 25,851.71-38,777.76-14,158.55

Finding the Fourth Proportional to 25,851.71, 38,777.76 and 14,158.55

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Solution

The fourth proportional to 25,851.71, 38,777.76 and 14,158.55 is: 21,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.71 : 38,777.76 = 14,158.55 : x
  2. Step 2: Convert to fraction form
    25,851.71/38,777.76 = 14,158.55/x
  3. Step 3: Cross multiply
    25,851.71x = 38,777.76 × 14,158.55
  4. Step 4: Simplify right side
    25,851.71x = 549,036,853.85
  5. Step 5: Solve for x
    x = 549,036,853.85/25,851.71
  6. Step 6: Final answer
    x = 21,237.93

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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.