Home / 19,330.97-26,677.38-18,445.23

Finding the Fourth Proportional to 19,330.97, 26,677.38 and 18,445.23

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Solution

The fourth proportional to 19,330.97, 26,677.38 and 18,445.23 is: 25,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.97 : 26,677.38 = 18,445.23 : x
  2. Step 2: Convert to fraction form
    19,330.97/26,677.38 = 18,445.23/x
  3. Step 3: Cross multiply
    19,330.97x = 26,677.38 × 18,445.23
  4. Step 4: Simplify right side
    19,330.97x = 492,070,409.90
  5. Step 5: Solve for x
    x = 492,070,409.90/19,330.97
  6. Step 6: Final answer
    x = 25,455.04

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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.