Home / 18,868.18-26,038.38-10,484.68

Finding the Fourth Proportional to 18,868.18, 26,038.38 and 10,484.68

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Solution

The fourth proportional to 18,868.18, 26,038.38 and 10,484.68 is: 14,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.18 : 26,038.38 = 10,484.68 : x
  2. Step 2: Convert to fraction form
    18,868.18/26,038.38 = 10,484.68/x
  3. Step 3: Cross multiply
    18,868.18x = 26,038.38 × 10,484.68
  4. Step 4: Simplify right side
    18,868.18x = 273,004,082.02
  5. Step 5: Solve for x
    x = 273,004,082.02/18,868.18
  6. Step 6: Final answer
    x = 14,469.02

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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.