Home / 19,287.08-26,616.03-10,789.16

Finding the Fourth Proportional to 19,287.08, 26,616.03 and 10,789.16

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Solution

The fourth proportional to 19,287.08, 26,616.03 and 10,789.16 is: 14,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.08 : 26,616.03 = 10,789.16 : x
  2. Step 2: Convert to fraction form
    19,287.08/26,616.03 = 10,789.16/x
  3. Step 3: Cross multiply
    19,287.08x = 26,616.03 × 10,789.16
  4. Step 4: Simplify right side
    19,287.08x = 287,164,552.29
  5. Step 5: Solve for x
    x = 287,164,552.29/19,287.08
  6. Step 6: Final answer
    x = 14,888.96

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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.