Home / 25,851.72-38,777.76-14,158.56

Finding the Fourth Proportional to 25,851.72, 38,777.76 and 14,158.56

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Solution

The fourth proportional to 25,851.72, 38,777.76 and 14,158.56 is: 21,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.72 : 38,777.76 = 14,158.56 : x
  2. Step 2: Convert to fraction form
    25,851.72/38,777.76 = 14,158.56/x
  3. Step 3: Cross multiply
    25,851.72x = 38,777.76 × 14,158.56
  4. Step 4: Simplify right side
    25,851.72x = 549,037,241.63
  5. Step 5: Solve for x
    x = 549,037,241.63/25,851.72
  6. Step 6: Final answer
    x = 21,237.94

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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.