Home / 19,122.81-28,581.69-17,244.42

Finding the Fourth Proportional to 19,122.81, 28,581.69 and 17,244.42

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Solution

The fourth proportional to 19,122.81, 28,581.69 and 17,244.42 is: 25,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.81 : 28,581.69 = 17,244.42 : x
  2. Step 2: Convert to fraction form
    19,122.81/28,581.69 = 17,244.42/x
  3. Step 3: Cross multiply
    19,122.81x = 28,581.69 × 17,244.42
  4. Step 4: Simplify right side
    19,122.81x = 492,874,666.67
  5. Step 5: Solve for x
    x = 492,874,666.67/19,122.81
  6. Step 6: Final answer
    x = 25,774.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.