Home / 25,335.36-34,958.88-14,155.20

Finding the Fourth Proportional to 25,335.36, 34,958.88 and 14,155.20

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Solution

The fourth proportional to 25,335.36, 34,958.88 and 14,155.20 is: 19,531.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,335.36 : 34,958.88 = 14,155.20 : x
  2. Step 2: Convert to fraction form
    25,335.36/34,958.88 = 14,155.20/x
  3. Step 3: Cross multiply
    25,335.36x = 34,958.88 × 14,155.20
  4. Step 4: Simplify right side
    25,335.36x = 494,849,938.18
  5. Step 5: Solve for x
    x = 494,849,938.18/25,335.36
  6. Step 6: Final answer
    x = 19,531.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.