Home / 25,766.45-35,564.69-15,159.50

Finding the Fourth Proportional to 25,766.45, 35,564.69 and 15,159.50

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Solution

The fourth proportional to 25,766.45, 35,564.69 and 15,159.50 is: 20,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,766.45 : 35,564.69 = 15,159.50 : x
  2. Step 2: Convert to fraction form
    25,766.45/35,564.69 = 15,159.50/x
  3. Step 3: Cross multiply
    25,766.45x = 35,564.69 × 15,159.50
  4. Step 4: Simplify right side
    25,766.45x = 539,142,778.13
  5. Step 5: Solve for x
    x = 539,142,778.13/25,766.45
  6. Step 6: Final answer
    x = 20,924.22

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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.