Home / 25,828.16-35,634.72-15,214.40

Finding the Fourth Proportional to 25,828.16, 35,634.72 and 15,214.40

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Solution

The fourth proportional to 25,828.16, 35,634.72 and 15,214.40 is: 20,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,828.16 : 35,634.72 = 15,214.40 : x
  2. Step 2: Convert to fraction form
    25,828.16/35,634.72 = 15,214.40/x
  3. Step 3: Cross multiply
    25,828.16x = 35,634.72 × 15,214.40
  4. Step 4: Simplify right side
    25,828.16x = 542,160,883.97
  5. Step 5: Solve for x
    x = 542,160,883.97/25,828.16
  6. Step 6: Final answer
    x = 20,991.08

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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.