Home / 18,312.16-25,291.56-12,333.46

Finding the Fourth Proportional to 18,312.16, 25,291.56 and 12,333.46

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Solution

The fourth proportional to 18,312.16, 25,291.56 and 12,333.46 is: 17,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.16 : 25,291.56 = 12,333.46 : x
  2. Step 2: Convert to fraction form
    18,312.16/25,291.56 = 12,333.46/x
  3. Step 3: Cross multiply
    18,312.16x = 25,291.56 × 12,333.46
  4. Step 4: Simplify right side
    18,312.16x = 311,932,443.60
  5. Step 5: Solve for x
    x = 311,932,443.60/18,312.16
  6. Step 6: Final answer
    x = 17,034.17

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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.