Home / 19,769.38-27,281.50-10,816.77

Finding the Fourth Proportional to 19,769.38, 27,281.50 and 10,816.77

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Solution

The fourth proportional to 19,769.38, 27,281.50 and 10,816.77 is: 14,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.38 : 27,281.50 = 10,816.77 : x
  2. Step 2: Convert to fraction form
    19,769.38/27,281.50 = 10,816.77/x
  3. Step 3: Cross multiply
    19,769.38x = 27,281.50 × 10,816.77
  4. Step 4: Simplify right side
    19,769.38x = 295,097,710.76
  5. Step 5: Solve for x
    x = 295,097,710.76/19,769.38
  6. Step 6: Final answer
    x = 14,927.01

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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.