Home / 18,166.98-25,070.31-10,209.04

Finding the Fourth Proportional to 18,166.98, 25,070.31 and 10,209.04

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Solution

The fourth proportional to 18,166.98, 25,070.31 and 10,209.04 is: 14,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.98 : 25,070.31 = 10,209.04 : x
  2. Step 2: Convert to fraction form
    18,166.98/25,070.31 = 10,209.04/x
  3. Step 3: Cross multiply
    18,166.98x = 25,070.31 × 10,209.04
  4. Step 4: Simplify right side
    18,166.98x = 255,943,734.93
  5. Step 5: Solve for x
    x = 255,943,734.93/18,166.98
  6. Step 6: Final answer
    x = 14,088.40

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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.