Home / 25,618.76-35,350.35-15,011.72

Finding the Fourth Proportional to 25,618.76, 35,350.35 and 15,011.72

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Solution

The fourth proportional to 25,618.76, 35,350.35 and 15,011.72 is: 20,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.76 : 35,350.35 = 15,011.72 : x
  2. Step 2: Convert to fraction form
    25,618.76/35,350.35 = 15,011.72/x
  3. Step 3: Cross multiply
    25,618.76x = 35,350.35 × 15,011.72
  4. Step 4: Simplify right side
    25,618.76x = 530,669,556.10
  5. Step 5: Solve for x
    x = 530,669,556.10/25,618.76
  6. Step 6: Final answer
    x = 20,714.10

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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.