Home / 19,001.52-26,222.40-10,618.56

Finding the Fourth Proportional to 19,001.52, 26,222.40 and 10,618.56

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Solution

The fourth proportional to 19,001.52, 26,222.40 and 10,618.56 is: 14,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.52 : 26,222.40 = 10,618.56 : x
  2. Step 2: Convert to fraction form
    19,001.52/26,222.40 = 10,618.56/x
  3. Step 3: Cross multiply
    19,001.52x = 26,222.40 × 10,618.56
  4. Step 4: Simplify right side
    19,001.52x = 278,444,127.74
  5. Step 5: Solve for x
    x = 278,444,127.74/19,001.52
  6. Step 6: Final answer
    x = 14,653.78

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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.