Home / 19,768.62-27,281.10-10,816.13

Finding the Fourth Proportional to 19,768.62, 27,281.10 and 10,816.13

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Solution

The fourth proportional to 19,768.62, 27,281.10 and 10,816.13 is: 14,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.62 : 27,281.10 = 10,816.13 : x
  2. Step 2: Convert to fraction form
    19,768.62/27,281.10 = 10,816.13/x
  3. Step 3: Cross multiply
    19,768.62x = 27,281.10 × 10,816.13
  4. Step 4: Simplify right side
    19,768.62x = 295,075,787.74
  5. Step 5: Solve for x
    x = 295,075,787.74/19,768.62
  6. Step 6: Final answer
    x = 14,926.47

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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.