Home / 19,407.76-26,776.56-11,452.72

Finding the Fourth Proportional to 19,407.76, 26,776.56 and 11,452.72

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Solution

The fourth proportional to 19,407.76, 26,776.56 and 11,452.72 is: 15,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.76 : 26,776.56 = 11,452.72 : x
  2. Step 2: Convert to fraction form
    19,407.76/26,776.56 = 11,452.72/x
  3. Step 3: Cross multiply
    19,407.76x = 26,776.56 × 11,452.72
  4. Step 4: Simplify right side
    19,407.76x = 306,664,444.24
  5. Step 5: Solve for x
    x = 306,664,444.24/19,407.76
  6. Step 6: Final answer
    x = 15,801.13

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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.