Home / 18,254.03-25,190.57-9,870.53

Finding the Fourth Proportional to 18,254.03, 25,190.57 and 9,870.53

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Solution

The fourth proportional to 18,254.03, 25,190.57 and 9,870.53 is: 13,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.03 : 25,190.57 = 9,870.53 : x
  2. Step 2: Convert to fraction form
    18,254.03/25,190.57 = 9,870.53/x
  3. Step 3: Cross multiply
    18,254.03x = 25,190.57 × 9,870.53
  4. Step 4: Simplify right side
    18,254.03x = 248,644,276.90
  5. Step 5: Solve for x
    x = 248,644,276.90/18,254.03
  6. Step 6: Final answer
    x = 13,621.34

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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.