Home / 19,116.76-26,374.74-11,565.40

Finding the Fourth Proportional to 19,116.76, 26,374.74 and 11,565.40

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Solution

The fourth proportional to 19,116.76, 26,374.74 and 11,565.40 is: 15,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.76 : 26,374.74 = 11,565.40 : x
  2. Step 2: Convert to fraction form
    19,116.76/26,374.74 = 11,565.40/x
  3. Step 3: Cross multiply
    19,116.76x = 26,374.74 × 11,565.40
  4. Step 4: Simplify right side
    19,116.76x = 305,034,418.00
  5. Step 5: Solve for x
    x = 305,034,418.00/19,116.76
  6. Step 6: Final answer
    x = 15,956.39

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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.