Home / 18,856.19-26,021.85-10,358.66

Finding the Fourth Proportional to 18,856.19, 26,021.85 and 10,358.66

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Solution

The fourth proportional to 18,856.19, 26,021.85 and 10,358.66 is: 14,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.19 : 26,021.85 = 10,358.66 : x
  2. Step 2: Convert to fraction form
    18,856.19/26,021.85 = 10,358.66/x
  3. Step 3: Cross multiply
    18,856.19x = 26,021.85 × 10,358.66
  4. Step 4: Simplify right side
    18,856.19x = 269,551,366.61
  5. Step 5: Solve for x
    x = 269,551,366.61/18,856.19
  6. Step 6: Final answer
    x = 14,295.12

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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.