Home / 21,924.04-30,248.01-13,417.30

Finding the Fourth Proportional to 21,924.04, 30,248.01 and 13,417.30

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Solution

The fourth proportional to 21,924.04, 30,248.01 and 13,417.30 is: 18,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.04 : 30,248.01 = 13,417.30 : x
  2. Step 2: Convert to fraction form
    21,924.04/30,248.01 = 13,417.30/x
  3. Step 3: Cross multiply
    21,924.04x = 30,248.01 × 13,417.30
  4. Step 4: Simplify right side
    21,924.04x = 405,846,624.57
  5. Step 5: Solve for x
    x = 405,846,624.57/21,924.04
  6. Step 6: Final answer
    x = 18,511.49

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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.