Home / 19,934.64-29,902.01-18,716.76

Finding the Fourth Proportional to 19,934.64, 29,902.01 and 18,716.76

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Solution

The fourth proportional to 19,934.64, 29,902.01 and 18,716.76 is: 28,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.64 : 29,902.01 = 18,716.76 : x
  2. Step 2: Convert to fraction form
    19,934.64/29,902.01 = 18,716.76/x
  3. Step 3: Cross multiply
    19,934.64x = 29,902.01 × 18,716.76
  4. Step 4: Simplify right side
    19,934.64x = 559,668,744.69
  5. Step 5: Solve for x
    x = 559,668,744.69/19,934.64
  6. Step 6: Final answer
    x = 28,075.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.