Home / 19,315.97-26,657.37-10,818.77

Finding the Fourth Proportional to 19,315.97, 26,657.37 and 10,818.77

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Solution

The fourth proportional to 19,315.97, 26,657.37 and 10,818.77 is: 14,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.97 : 26,657.37 = 10,818.77 : x
  2. Step 2: Convert to fraction form
    19,315.97/26,657.37 = 10,818.77/x
  3. Step 3: Cross multiply
    19,315.97x = 26,657.37 × 10,818.77
  4. Step 4: Simplify right side
    19,315.97x = 288,399,821.55
  5. Step 5: Solve for x
    x = 288,399,821.55/19,315.97
  6. Step 6: Final answer
    x = 14,930.64

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Half scale
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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.