Home / 25,815.60-35,625.93-14,487.60

Finding the Fourth Proportional to 25,815.60, 35,625.93 and 14,487.60

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Solution

The fourth proportional to 25,815.60, 35,625.93 and 14,487.60 is: 19,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.60 : 35,625.93 = 14,487.60 : x
  2. Step 2: Convert to fraction form
    25,815.60/35,625.93 = 14,487.60/x
  3. Step 3: Cross multiply
    25,815.60x = 35,625.93 × 14,487.60
  4. Step 4: Simplify right side
    25,815.60x = 516,134,223.47
  5. Step 5: Solve for x
    x = 516,134,223.47/25,815.60
  6. Step 6: Final answer
    x = 19,993.11

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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.