Home / 19,531.83-26,947.58-12,460.53

Finding the Fourth Proportional to 19,531.83, 26,947.58 and 12,460.53

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Solution

The fourth proportional to 19,531.83, 26,947.58 and 12,460.53 is: 17,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.83 : 26,947.58 = 12,460.53 : x
  2. Step 2: Convert to fraction form
    19,531.83/26,947.58 = 12,460.53/x
  3. Step 3: Cross multiply
    19,531.83x = 26,947.58 × 12,460.53
  4. Step 4: Simplify right side
    19,531.83x = 335,781,066.71
  5. Step 5: Solve for x
    x = 335,781,066.71/19,531.83
  6. Step 6: Final answer
    x = 17,191.48

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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.