Home / 25,282.16-34,878.60-15,210.48

Finding the Fourth Proportional to 25,282.16, 34,878.60 and 15,210.48

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Solution

The fourth proportional to 25,282.16, 34,878.60 and 15,210.48 is: 20,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,282.16 : 34,878.60 = 15,210.48 : x
  2. Step 2: Convert to fraction form
    25,282.16/34,878.60 = 15,210.48/x
  3. Step 3: Cross multiply
    25,282.16x = 34,878.60 × 15,210.48
  4. Step 4: Simplify right side
    25,282.16x = 530,520,247.73
  5. Step 5: Solve for x
    x = 530,520,247.73/25,282.16
  6. Step 6: Final answer
    x = 20,983.98

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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.