Home / 25,763.70-35,557.20-15,154.32

Finding the Fourth Proportional to 25,763.70, 35,557.20 and 15,154.32

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Solution

The fourth proportional to 25,763.70, 35,557.20 and 15,154.32 is: 20,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,763.70 : 35,557.20 = 15,154.32 : x
  2. Step 2: Convert to fraction form
    25,763.70/35,557.20 = 15,154.32/x
  3. Step 3: Cross multiply
    25,763.70x = 35,557.20 × 15,154.32
  4. Step 4: Simplify right side
    25,763.70x = 538,845,187.10
  5. Step 5: Solve for x
    x = 538,845,187.10/25,763.70
  6. Step 6: Final answer
    x = 20,914.90

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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.