Home / 12,443.04-17,179.92-10,090.08

Finding the Fourth Proportional to 12,443.04, 17,179.92 and 10,090.08

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Solution

The fourth proportional to 12,443.04, 17,179.92 and 10,090.08 is: 13,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443.04 : 17,179.92 = 10,090.08 : x
  2. Step 2: Convert to fraction form
    12,443.04/17,179.92 = 10,090.08/x
  3. Step 3: Cross multiply
    12,443.04x = 17,179.92 × 10,090.08
  4. Step 4: Simplify right side
    12,443.04x = 173,346,767.19
  5. Step 5: Solve for x
    x = 173,346,767.19/12,443.04
  6. Step 6: Final answer
    x = 13,931.22

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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.