Home / 25,532.64-35,252.40-18,819.04

Finding the Fourth Proportional to 25,532.64, 35,252.40 and 18,819.04

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Solution

The fourth proportional to 25,532.64, 35,252.40 and 18,819.04 is: 25,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,532.64 : 35,252.40 = 18,819.04 : x
  2. Step 2: Convert to fraction form
    25,532.64/35,252.40 = 18,819.04/x
  3. Step 3: Cross multiply
    25,532.64x = 35,252.40 × 18,819.04
  4. Step 4: Simplify right side
    25,532.64x = 663,416,325.70
  5. Step 5: Solve for x
    x = 663,416,325.70/25,532.64
  6. Step 6: Final answer
    x = 25,983.07

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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.