Home / 22,678.03-31,284.79-19,528.75

Finding the Fourth Proportional to 22,678.03, 31,284.79 and 19,528.75

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Solution

The fourth proportional to 22,678.03, 31,284.79 and 19,528.75 is: 26,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.03 : 31,284.79 = 19,528.75 : x
  2. Step 2: Convert to fraction form
    22,678.03/31,284.79 = 19,528.75/x
  3. Step 3: Cross multiply
    22,678.03x = 31,284.79 × 19,528.75
  4. Step 4: Simplify right side
    22,678.03x = 610,952,842.71
  5. Step 5: Solve for x
    x = 610,952,842.71/22,678.03
  6. Step 6: Final answer
    x = 26,940.30

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Double 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.