Home / 19,182.16-26,471.37-11,225.90

Finding the Fourth Proportional to 19,182.16, 26,471.37 and 11,225.90

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Solution

The fourth proportional to 19,182.16, 26,471.37 and 11,225.90 is: 15,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.16 : 26,471.37 = 11,225.90 : x
  2. Step 2: Convert to fraction form
    19,182.16/26,471.37 = 11,225.90/x
  3. Step 3: Cross multiply
    19,182.16x = 26,471.37 × 11,225.90
  4. Step 4: Simplify right side
    19,182.16x = 297,165,060.76
  5. Step 5: Solve for x
    x = 297,165,060.76/19,182.16
  6. Step 6: Final answer
    x = 15,491.74

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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.