Home / 18,426.12-25,428.54-10,043.16

Finding the Fourth Proportional to 18,426.12, 25,428.54 and 10,043.16

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Solution

The fourth proportional to 18,426.12, 25,428.54 and 10,043.16 is: 13,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.12 : 25,428.54 = 10,043.16 : x
  2. Step 2: Convert to fraction form
    18,426.12/25,428.54 = 10,043.16/x
  3. Step 3: Cross multiply
    18,426.12x = 25,428.54 × 10,043.16
  4. Step 4: Simplify right side
    18,426.12x = 255,382,895.79
  5. Step 5: Solve for x
    x = 255,382,895.79/18,426.12
  6. Step 6: Final answer
    x = 13,859.83

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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.