Home / 18,288.67-25,238.23-10,332.45

Finding the Fourth Proportional to 18,288.67, 25,238.23 and 10,332.45

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Solution

The fourth proportional to 18,288.67, 25,238.23 and 10,332.45 is: 14,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.67 : 25,238.23 = 10,332.45 : x
  2. Step 2: Convert to fraction form
    18,288.67/25,238.23 = 10,332.45/x
  3. Step 3: Cross multiply
    18,288.67x = 25,238.23 × 10,332.45
  4. Step 4: Simplify right side
    18,288.67x = 260,772,749.56
  5. Step 5: Solve for x
    x = 260,772,749.56/18,288.67
  6. Step 6: Final answer
    x = 14,258.70

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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.