Home / 28,174.56-38,886.66-19,246.74

Finding the Fourth Proportional to 28,174.56, 38,886.66 and 19,246.74

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Solution

The fourth proportional to 28,174.56, 38,886.66 and 19,246.74 is: 26,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174.56 : 38,886.66 = 19,246.74 : x
  2. Step 2: Convert to fraction form
    28,174.56/38,886.66 = 19,246.74/x
  3. Step 3: Cross multiply
    28,174.56x = 38,886.66 × 19,246.74
  4. Step 4: Simplify right side
    28,174.56x = 748,441,434.49
  5. Step 5: Solve for x
    x = 748,441,434.49/28,174.56
  6. Step 6: Final answer
    x = 26,564.44

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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.