Home / 19,163.28-26,445.50-10,665.76

Finding the Fourth Proportional to 19,163.28, 26,445.50 and 10,665.76

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Solution

The fourth proportional to 19,163.28, 26,445.50 and 10,665.76 is: 14,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.28 : 26,445.50 = 10,665.76 : x
  2. Step 2: Convert to fraction form
    19,163.28/26,445.50 = 10,665.76/x
  3. Step 3: Cross multiply
    19,163.28x = 26,445.50 × 10,665.76
  4. Step 4: Simplify right side
    19,163.28x = 282,061,356.08
  5. Step 5: Solve for x
    x = 282,061,356.08/19,163.28
  6. Step 6: Final answer
    x = 14,718.85

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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.