Home / 25,402.80-35,055.43-13,917.61

Finding the Fourth Proportional to 25,402.80, 35,055.43 and 13,917.61

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Solution

The fourth proportional to 25,402.80, 35,055.43 and 13,917.61 is: 19,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,402.80 : 35,055.43 = 13,917.61 : x
  2. Step 2: Convert to fraction form
    25,402.80/35,055.43 = 13,917.61/x
  3. Step 3: Cross multiply
    25,402.80x = 35,055.43 × 13,917.61
  4. Step 4: Simplify right side
    25,402.80x = 487,887,693.25
  5. Step 5: Solve for x
    x = 487,887,693.25/25,402.80
  6. Step 6: Final answer
    x = 19,206.06

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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.