Home / 25,070.45-34,597.13-13,740.03

Finding the Fourth Proportional to 25,070.45, 34,597.13 and 13,740.03

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Solution

The fourth proportional to 25,070.45, 34,597.13 and 13,740.03 is: 18,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,070.45 : 34,597.13 = 13,740.03 : x
  2. Step 2: Convert to fraction form
    25,070.45/34,597.13 = 13,740.03/x
  3. Step 3: Cross multiply
    25,070.45x = 34,597.13 × 13,740.03
  4. Step 4: Simplify right side
    25,070.45x = 475,365,535.41
  5. Step 5: Solve for x
    x = 475,365,535.41/25,070.45
  6. Step 6: Final answer
    x = 18,961.19

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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.