Home / 19,214.84-28,631.25-17,118.74

Finding the Fourth Proportional to 19,214.84, 28,631.25 and 17,118.74

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Solution

The fourth proportional to 19,214.84, 28,631.25 and 17,118.74 is: 25,507.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.84 : 28,631.25 = 17,118.74 : x
  2. Step 2: Convert to fraction form
    19,214.84/28,631.25 = 17,118.74/x
  3. Step 3: Cross multiply
    19,214.84x = 28,631.25 × 17,118.74
  4. Step 4: Simplify right side
    19,214.84x = 490,130,996.20
  5. Step 5: Solve for x
    x = 490,130,996.20/19,214.84
  6. Step 6: Final answer
    x = 25,507.94

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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.