Home / 25,090.97-34,615.65-14,478.55

Finding the Fourth Proportional to 25,090.97, 34,615.65 and 14,478.55

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Solution

The fourth proportional to 25,090.97, 34,615.65 and 14,478.55 is: 19,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,090.97 : 34,615.65 = 14,478.55 : x
  2. Step 2: Convert to fraction form
    25,090.97/34,615.65 = 14,478.55/x
  3. Step 3: Cross multiply
    25,090.97x = 34,615.65 × 14,478.55
  4. Step 4: Simplify right side
    25,090.97x = 501,184,387.06
  5. Step 5: Solve for x
    x = 501,184,387.06/25,090.97
  6. Step 6: Final answer
    x = 19,974.70

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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.