Home / 19,248.57-26,555.56-11,287.89

Finding the Fourth Proportional to 19,248.57, 26,555.56 and 11,287.89

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Solution

The fourth proportional to 19,248.57, 26,555.56 and 11,287.89 is: 15,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.57 : 26,555.56 = 11,287.89 : x
  2. Step 2: Convert to fraction form
    19,248.57/26,555.56 = 11,287.89/x
  3. Step 3: Cross multiply
    19,248.57x = 26,555.56 × 11,287.89
  4. Step 4: Simplify right side
    19,248.57x = 299,756,240.17
  5. Step 5: Solve for x
    x = 299,756,240.17/19,248.57
  6. Step 6: Final answer
    x = 15,572.91

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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.