Home / 25,259.72-34,881.98-15,844.68

Finding the Fourth Proportional to 25,259.72, 34,881.98 and 15,844.68

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Solution

The fourth proportional to 25,259.72, 34,881.98 and 15,844.68 is: 21,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,259.72 : 34,881.98 = 15,844.68 : x
  2. Step 2: Convert to fraction form
    25,259.72/34,881.98 = 15,844.68/x
  3. Step 3: Cross multiply
    25,259.72x = 34,881.98 × 15,844.68
  4. Step 4: Simplify right side
    25,259.72x = 552,693,731.64
  5. Step 5: Solve for x
    x = 552,693,731.64/25,259.72
  6. Step 6: Final answer
    x = 21,880.44

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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.