Home / 25,125.42-37,639.13-13,998.60

Finding the Fourth Proportional to 25,125.42, 37,639.13 and 13,998.60

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Solution

The fourth proportional to 25,125.42, 37,639.13 and 13,998.60 is: 20,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.42 : 37,639.13 = 13,998.60 : x
  2. Step 2: Convert to fraction form
    25,125.42/37,639.13 = 13,998.60/x
  3. Step 3: Cross multiply
    25,125.42x = 37,639.13 × 13,998.60
  4. Step 4: Simplify right side
    25,125.42x = 526,895,125.22
  5. Step 5: Solve for x
    x = 526,895,125.22/25,125.42
  6. Step 6: Final answer
    x = 20,970.60

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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.