Home / 19,417.83-26,788.95-10,917.96

Finding the Fourth Proportional to 19,417.83, 26,788.95 and 10,917.96

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Solution

The fourth proportional to 19,417.83, 26,788.95 and 10,917.96 is: 15,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.83 : 26,788.95 = 10,917.96 : x
  2. Step 2: Convert to fraction form
    19,417.83/26,788.95 = 10,917.96/x
  3. Step 3: Cross multiply
    19,417.83x = 26,788.95 × 10,917.96
  4. Step 4: Simplify right side
    19,417.83x = 292,480,684.54
  5. Step 5: Solve for x
    x = 292,480,684.54/19,417.83
  6. Step 6: Final answer
    x = 15,062.48

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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.