Home / 18,304.16-25,280.48-12,325.45

Finding the Fourth Proportional to 18,304.16, 25,280.48 and 12,325.45

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Solution

The fourth proportional to 18,304.16, 25,280.48 and 12,325.45 is: 17,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.16 : 25,280.48 = 12,325.45 : x
  2. Step 2: Convert to fraction form
    18,304.16/25,280.48 = 12,325.45/x
  3. Step 3: Cross multiply
    18,304.16x = 25,280.48 × 12,325.45
  4. Step 4: Simplify right side
    18,304.16x = 311,593,104.19
  5. Step 5: Solve for x
    x = 311,593,104.19/18,304.16
  6. Step 6: Final answer
    x = 17,023.08

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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.