Home / 19,377.31-26,741.20-10,880.11

Finding the Fourth Proportional to 19,377.31, 26,741.20 and 10,880.11

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Solution

The fourth proportional to 19,377.31, 26,741.20 and 10,880.11 is: 15,014.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.31 : 26,741.20 = 10,880.11 : x
  2. Step 2: Convert to fraction form
    19,377.31/26,741.20 = 10,880.11/x
  3. Step 3: Cross multiply
    19,377.31x = 26,741.20 × 10,880.11
  4. Step 4: Simplify right side
    19,377.31x = 290,947,197.53
  5. Step 5: Solve for x
    x = 290,947,197.53/19,377.31
  6. Step 6: Final answer
    x = 15,014.84

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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.