Home / 25,719.53-38,579.02-19,517.63

Finding the Fourth Proportional to 25,719.53, 38,579.02 and 19,517.63

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Solution

The fourth proportional to 25,719.53, 38,579.02 and 19,517.63 is: 29,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.53 : 38,579.02 = 19,517.63 : x
  2. Step 2: Convert to fraction form
    25,719.53/38,579.02 = 19,517.63/x
  3. Step 3: Cross multiply
    25,719.53x = 38,579.02 × 19,517.63
  4. Step 4: Simplify right side
    25,719.53x = 752,971,038.12
  5. Step 5: Solve for x
    x = 752,971,038.12/25,719.53
  6. Step 6: Final answer
    x = 29,276.24

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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.