Home / 26,335.60-39,407.40-19,423.60

Finding the Fourth Proportional to 26,335.60, 39,407.40 and 19,423.60

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Solution

The fourth proportional to 26,335.60, 39,407.40 and 19,423.60 is: 29,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,335.60 : 39,407.40 = 19,423.60 : x
  2. Step 2: Convert to fraction form
    26,335.60/39,407.40 = 19,423.60/x
  3. Step 3: Cross multiply
    26,335.60x = 39,407.40 × 19,423.60
  4. Step 4: Simplify right side
    26,335.60x = 765,433,574.64
  5. Step 5: Solve for x
    x = 765,433,574.64/26,335.60
  6. Step 6: Final answer
    x = 29,064.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.