Home / 18,858.18-26,024.85-10,899.70

Finding the Fourth Proportional to 18,858.18, 26,024.85 and 10,899.70

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Solution

The fourth proportional to 18,858.18, 26,024.85 and 10,899.70 is: 15,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.18 : 26,024.85 = 10,899.70 : x
  2. Step 2: Convert to fraction form
    18,858.18/26,024.85 = 10,899.70/x
  3. Step 3: Cross multiply
    18,858.18x = 26,024.85 × 10,899.70
  4. Step 4: Simplify right side
    18,858.18x = 283,663,057.55
  5. Step 5: Solve for x
    x = 283,663,057.55/18,858.18
  6. Step 6: Final answer
    x = 15,041.91

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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.