Home / 18,125.66-25,014.56-10,168.40

Finding the Fourth Proportional to 18,125.66, 25,014.56 and 10,168.40

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Solution

The fourth proportional to 18,125.66, 25,014.56 and 10,168.40 is: 14,033.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.66 : 25,014.56 = 10,168.40 : x
  2. Step 2: Convert to fraction form
    18,125.66/25,014.56 = 10,168.40/x
  3. Step 3: Cross multiply
    18,125.66x = 25,014.56 × 10,168.40
  4. Step 4: Simplify right side
    18,125.66x = 254,358,051.90
  5. Step 5: Solve for x
    x = 254,358,051.90/18,125.66
  6. Step 6: Final answer
    x = 14,033.04

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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.