Home / 25,028.79-34,539.42-13,698.24

Finding the Fourth Proportional to 25,028.79, 34,539.42 and 13,698.24

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Solution

The fourth proportional to 25,028.79, 34,539.42 and 13,698.24 is: 18,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,028.79 : 34,539.42 = 13,698.24 : x
  2. Step 2: Convert to fraction form
    25,028.79/34,539.42 = 13,698.24/x
  3. Step 3: Cross multiply
    25,028.79x = 34,539.42 × 13,698.24
  4. Step 4: Simplify right side
    25,028.79x = 473,129,264.62
  5. Step 5: Solve for x
    x = 473,129,264.62/25,028.79
  6. Step 6: Final answer
    x = 18,903.40

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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.