Home / 18,925.32-26,116.94-10,972.14

Finding the Fourth Proportional to 18,925.32, 26,116.94 and 10,972.14

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Solution

The fourth proportional to 18,925.32, 26,116.94 and 10,972.14 is: 15,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.32 : 26,116.94 = 10,972.14 : x
  2. Step 2: Convert to fraction form
    18,925.32/26,116.94 = 10,972.14/x
  3. Step 3: Cross multiply
    18,925.32x = 26,116.94 × 10,972.14
  4. Step 4: Simplify right side
    18,925.32x = 286,558,722.05
  5. Step 5: Solve for x
    x = 286,558,722.05/18,925.32
  6. Step 6: Final answer
    x = 15,141.55

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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.