Home / 21,445.97-29,595.42-12,014.51

Finding the Fourth Proportional to 21,445.97, 29,595.42 and 12,014.51

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Solution

The fourth proportional to 21,445.97, 29,595.42 and 12,014.51 is: 16,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.97 : 29,595.42 = 12,014.51 : x
  2. Step 2: Convert to fraction form
    21,445.97/29,595.42 = 12,014.51/x
  3. Step 3: Cross multiply
    21,445.97x = 29,595.42 × 12,014.51
  4. Step 4: Simplify right side
    21,445.97x = 355,574,321.57
  5. Step 5: Solve for x
    x = 355,574,321.57/21,445.97
  6. Step 6: Final answer
    x = 16,580.01

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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.