Home / 19,440.57-26,828.16-11,057.61

Finding the Fourth Proportional to 19,440.57, 26,828.16 and 11,057.61

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Solution

The fourth proportional to 19,440.57, 26,828.16 and 11,057.61 is: 15,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.57 : 26,828.16 = 11,057.61 : x
  2. Step 2: Convert to fraction form
    19,440.57/26,828.16 = 11,057.61/x
  3. Step 3: Cross multiply
    19,440.57x = 26,828.16 × 11,057.61
  4. Step 4: Simplify right side
    19,440.57x = 296,655,330.30
  5. Step 5: Solve for x
    x = 296,655,330.30/19,440.57
  6. Step 6: Final answer
    x = 15,259.60

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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.