Home / 21,454.03-29,606.97-12,502.06

Finding the Fourth Proportional to 21,454.03, 29,606.97 and 12,502.06

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Solution

The fourth proportional to 21,454.03, 29,606.97 and 12,502.06 is: 17,253.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454.03 : 29,606.97 = 12,502.06 : x
  2. Step 2: Convert to fraction form
    21,454.03/29,606.97 = 12,502.06/x
  3. Step 3: Cross multiply
    21,454.03x = 29,606.97 × 12,502.06
  4. Step 4: Simplify right side
    21,454.03x = 370,148,184.44
  5. Step 5: Solve for x
    x = 370,148,184.44/21,454.03
  6. Step 6: Final answer
    x = 17,253.08

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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.