Home / 18,275.23-25,211.95-10,723.87

Finding the Fourth Proportional to 18,275.23, 25,211.95 and 10,723.87

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Solution

The fourth proportional to 18,275.23, 25,211.95 and 10,723.87 is: 14,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.23 : 25,211.95 = 10,723.87 : x
  2. Step 2: Convert to fraction form
    18,275.23/25,211.95 = 10,723.87/x
  3. Step 3: Cross multiply
    18,275.23x = 25,211.95 × 10,723.87
  4. Step 4: Simplify right side
    18,275.23x = 270,369,674.25
  5. Step 5: Solve for x
    x = 270,369,674.25/18,275.23
  6. Step 6: Final answer
    x = 14,794.32

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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.