Home / 19,818.60-27,349.56-10,866.48

Finding the Fourth Proportional to 19,818.60, 27,349.56 and 10,866.48

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Solution

The fourth proportional to 19,818.60, 27,349.56 and 10,866.48 is: 14,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.60 : 27,349.56 = 10,866.48 : x
  2. Step 2: Convert to fraction form
    19,818.60/27,349.56 = 10,866.48/x
  3. Step 3: Cross multiply
    19,818.60x = 27,349.56 × 10,866.48
  4. Step 4: Simplify right side
    19,818.60x = 297,193,446.75
  5. Step 5: Solve for x
    x = 297,193,446.75/19,818.60
  6. Step 6: Final answer
    x = 14,995.68

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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.