Home / 25,788.08-35,592.36-15,177.20

Finding the Fourth Proportional to 25,788.08, 35,592.36 and 15,177.20

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Solution

The fourth proportional to 25,788.08, 35,592.36 and 15,177.20 is: 20,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,788.08 : 35,592.36 = 15,177.20 : x
  2. Step 2: Convert to fraction form
    25,788.08/35,592.36 = 15,177.20/x
  3. Step 3: Cross multiply
    25,788.08x = 35,592.36 × 15,177.20
  4. Step 4: Simplify right side
    25,788.08x = 540,192,366.19
  5. Step 5: Solve for x
    x = 540,192,366.19/25,788.08
  6. Step 6: Final answer
    x = 20,947.37

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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.