Home / 19,340.92-26,690.44-10,957.40

Finding the Fourth Proportional to 19,340.92, 26,690.44 and 10,957.40

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Solution

The fourth proportional to 19,340.92, 26,690.44 and 10,957.40 is: 15,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.92 : 26,690.44 = 10,957.40 : x
  2. Step 2: Convert to fraction form
    19,340.92/26,690.44 = 10,957.40/x
  3. Step 3: Cross multiply
    19,340.92x = 26,690.44 × 10,957.40
  4. Step 4: Simplify right side
    19,340.92x = 292,457,827.26
  5. Step 5: Solve for x
    x = 292,457,827.26/19,340.92
  6. Step 6: Final answer
    x = 15,121.20

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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.