Home / 19,341.25-26,690.93-10,957.75

Finding the Fourth Proportional to 19,341.25, 26,690.93 and 10,957.75

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Solution

The fourth proportional to 19,341.25, 26,690.93 and 10,957.75 is: 15,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.25 : 26,690.93 = 10,957.75 : x
  2. Step 2: Convert to fraction form
    19,341.25/26,690.93 = 10,957.75/x
  3. Step 3: Cross multiply
    19,341.25x = 26,690.93 × 10,957.75
  4. Step 4: Simplify right side
    19,341.25x = 292,472,538.21
  5. Step 5: Solve for x
    x = 292,472,538.21/19,341.25
  6. Step 6: Final answer
    x = 15,121.70

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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.