Home / 19,001.69-26,222.15-10,618.19

Finding the Fourth Proportional to 19,001.69, 26,222.15 and 10,618.19

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Solution

The fourth proportional to 19,001.69, 26,222.15 and 10,618.19 is: 14,653.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.69 : 26,222.15 = 10,618.19 : x
  2. Step 2: Convert to fraction form
    19,001.69/26,222.15 = 10,618.19/x
  3. Step 3: Cross multiply
    19,001.69x = 26,222.15 × 10,618.19
  4. Step 4: Simplify right side
    19,001.69x = 278,431,717.82
  5. Step 5: Solve for x
    x = 278,431,717.82/19,001.69
  6. Step 6: Final answer
    x = 14,653.00

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Half scale
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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.