Home / 25,480.88-35,156.33-15,402.00

Finding the Fourth Proportional to 25,480.88, 35,156.33 and 15,402.00

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Solution

The fourth proportional to 25,480.88, 35,156.33 and 15,402.00 is: 21,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,480.88 : 35,156.33 = 15,402.00 : x
  2. Step 2: Convert to fraction form
    25,480.88/35,156.33 = 15,402.00/x
  3. Step 3: Cross multiply
    25,480.88x = 35,156.33 × 15,402.00
  4. Step 4: Simplify right side
    25,480.88x = 541,477,709.49
  5. Step 5: Solve for x
    x = 541,477,709.49/25,480.88
  6. Step 6: Final answer
    x = 21,250.35

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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.