Home / 25,007.90-34,509.51-13,675.14

Finding the Fourth Proportional to 25,007.90, 34,509.51 and 13,675.14

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Solution

The fourth proportional to 25,007.90, 34,509.51 and 13,675.14 is: 18,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007.90 : 34,509.51 = 13,675.14 : x
  2. Step 2: Convert to fraction form
    25,007.90/34,509.51 = 13,675.14/x
  3. Step 3: Cross multiply
    25,007.90x = 34,509.51 × 13,675.14
  4. Step 4: Simplify right side
    25,007.90x = 471,922,380.58
  5. Step 5: Solve for x
    x = 471,922,380.58/25,007.90
  6. Step 6: Final answer
    x = 18,870.93

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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.