Home / 18,769.32-25,904.87-10,816.17

Finding the Fourth Proportional to 18,769.32, 25,904.87 and 10,816.17

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Solution

The fourth proportional to 18,769.32, 25,904.87 and 10,816.17 is: 14,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.32 : 25,904.87 = 10,816.17 : x
  2. Step 2: Convert to fraction form
    18,769.32/25,904.87 = 10,816.17/x
  3. Step 3: Cross multiply
    18,769.32x = 25,904.87 × 10,816.17
  4. Step 4: Simplify right side
    18,769.32x = 280,191,423.67
  5. Step 5: Solve for x
    x = 280,191,423.67/18,769.32
  6. Step 6: Final answer
    x = 14,928.16

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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.