Home / 18,162.32-25,061.28-10,203.02

Finding the Fourth Proportional to 18,162.32, 25,061.28 and 10,203.02

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Solution

The fourth proportional to 18,162.32, 25,061.28 and 10,203.02 is: 14,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.32 : 25,061.28 = 10,203.02 : x
  2. Step 2: Convert to fraction form
    18,162.32/25,061.28 = 10,203.02/x
  3. Step 3: Cross multiply
    18,162.32x = 25,061.28 × 10,203.02
  4. Step 4: Simplify right side
    18,162.32x = 255,700,741.07
  5. Step 5: Solve for x
    x = 255,700,741.07/18,162.32
  6. Step 6: Final answer
    x = 14,078.64

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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.