Home / 19,770.33-27,281.88-10,816.05

Finding the Fourth Proportional to 19,770.33, 27,281.88 and 10,816.05

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Solution

The fourth proportional to 19,770.33, 27,281.88 and 10,816.05 is: 14,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.33 : 27,281.88 = 10,816.05 : x
  2. Step 2: Convert to fraction form
    19,770.33/27,281.88 = 10,816.05/x
  3. Step 3: Cross multiply
    19,770.33x = 27,281.88 × 10,816.05
  4. Step 4: Simplify right side
    19,770.33x = 295,082,178.17
  5. Step 5: Solve for x
    x = 295,082,178.17/19,770.33
  6. Step 6: Final answer
    x = 14,925.51

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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.