Home / 18,344.16-25,314.86-10,386.18

Finding the Fourth Proportional to 18,344.16, 25,314.86 and 10,386.18

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Solution

The fourth proportional to 18,344.16, 25,314.86 and 10,386.18 is: 14,332.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.16 : 25,314.86 = 10,386.18 : x
  2. Step 2: Convert to fraction form
    18,344.16/25,314.86 = 10,386.18/x
  3. Step 3: Cross multiply
    18,344.16x = 25,314.86 × 10,386.18
  4. Step 4: Simplify right side
    18,344.16x = 262,924,718.60
  5. Step 5: Solve for x
    x = 262,924,718.60/18,344.16
  6. Step 6: Final answer
    x = 14,332.88

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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.