Home / 19,354.11-28,870.45-18,706.24

Finding the Fourth Proportional to 19,354.11, 28,870.45 and 18,706.24

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Solution

The fourth proportional to 19,354.11, 28,870.45 and 18,706.24 is: 27,904.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.11 : 28,870.45 = 18,706.24 : x
  2. Step 2: Convert to fraction form
    19,354.11/28,870.45 = 18,706.24/x
  3. Step 3: Cross multiply
    19,354.11x = 28,870.45 × 18,706.24
  4. Step 4: Simplify right side
    19,354.11x = 540,057,566.61
  5. Step 5: Solve for x
    x = 540,057,566.61/19,354.11
  6. Step 6: Final answer
    x = 27,904.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.