Home / 14,902.32-20,574.21-9,870.85

Finding the Fourth Proportional to 14,902.32, 20,574.21 and 9,870.85

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Solution

The fourth proportional to 14,902.32, 20,574.21 and 9,870.85 is: 13,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,902.32 : 20,574.21 = 9,870.85 : x
  2. Step 2: Convert to fraction form
    14,902.32/20,574.21 = 9,870.85/x
  3. Step 3: Cross multiply
    14,902.32x = 20,574.21 × 9,870.85
  4. Step 4: Simplify right side
    14,902.32x = 203,084,940.78
  5. Step 5: Solve for x
    x = 203,084,940.78/14,902.32
  6. Step 6: Final answer
    x = 13,627.74

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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.