Home / 25,626.90-35,368.62-15,020.76

Finding the Fourth Proportional to 25,626.90, 35,368.62 and 15,020.76

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Solution

The fourth proportional to 25,626.90, 35,368.62 and 15,020.76 is: 20,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,626.90 : 35,368.62 = 15,020.76 : x
  2. Step 2: Convert to fraction form
    25,626.90/35,368.62 = 15,020.76/x
  3. Step 3: Cross multiply
    25,626.90x = 35,368.62 × 15,020.76
  4. Step 4: Simplify right side
    25,626.90x = 531,263,552.55
  5. Step 5: Solve for x
    x = 531,263,552.55/25,626.90
  6. Step 6: Final answer
    x = 20,730.70

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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.