Home / 20,070.32-27,706.66-14,107.10

Finding the Fourth Proportional to 20,070.32, 27,706.66 and 14,107.10

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Solution

The fourth proportional to 20,070.32, 27,706.66 and 14,107.10 is: 19,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.32 : 27,706.66 = 14,107.10 : x
  2. Step 2: Convert to fraction form
    20,070.32/27,706.66 = 14,107.10/x
  3. Step 3: Cross multiply
    20,070.32x = 27,706.66 × 14,107.10
  4. Step 4: Simplify right side
    20,070.32x = 390,860,449.48
  5. Step 5: Solve for x
    x = 390,860,449.48/20,070.32
  6. Step 6: Final answer
    x = 19,474.55

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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.