Home / 18,281.95-25,229.78-10,325.37

Finding the Fourth Proportional to 18,281.95, 25,229.78 and 10,325.37

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Solution

The fourth proportional to 18,281.95, 25,229.78 and 10,325.37 is: 14,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.95 : 25,229.78 = 10,325.37 : x
  2. Step 2: Convert to fraction form
    18,281.95/25,229.78 = 10,325.37/x
  3. Step 3: Cross multiply
    18,281.95x = 25,229.78 × 10,325.37
  4. Step 4: Simplify right side
    18,281.95x = 260,506,895.22
  5. Step 5: Solve for x
    x = 260,506,895.22/18,281.95
  6. Step 6: Final answer
    x = 14,249.40

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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.