Home / 18,315.96-25,275.87-10,358.16

Finding the Fourth Proportional to 18,315.96, 25,275.87 and 10,358.16

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Solution

The fourth proportional to 18,315.96, 25,275.87 and 10,358.16 is: 14,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.96 : 25,275.87 = 10,358.16 : x
  2. Step 2: Convert to fraction form
    18,315.96/25,275.87 = 10,358.16/x
  3. Step 3: Cross multiply
    18,315.96x = 25,275.87 × 10,358.16
  4. Step 4: Simplify right side
    18,315.96x = 261,811,505.60
  5. Step 5: Solve for x
    x = 261,811,505.60/18,315.96
  6. Step 6: Final answer
    x = 14,294.17

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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.