Home / 18,925.32-26,115.72-10,966.92

Finding the Fourth Proportional to 18,925.32, 26,115.72 and 10,966.92

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Solution

The fourth proportional to 18,925.32, 26,115.72 and 10,966.92 is: 15,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.32 : 26,115.72 = 10,966.92 : x
  2. Step 2: Convert to fraction form
    18,925.32/26,115.72 = 10,966.92/x
  3. Step 3: Cross multiply
    18,925.32x = 26,115.72 × 10,966.92
  4. Step 4: Simplify right side
    18,925.32x = 286,409,011.98
  5. Step 5: Solve for x
    x = 286,409,011.98/18,925.32
  6. Step 6: Final answer
    x = 15,133.64

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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.