Home / 19,106.10-28,659.15-14,958.90

Finding the Fourth Proportional to 19,106.10, 28,659.15 and 14,958.90

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Solution

The fourth proportional to 19,106.10, 28,659.15 and 14,958.90 is: 22,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.10 : 28,659.15 = 14,958.90 : x
  2. Step 2: Convert to fraction form
    19,106.10/28,659.15 = 14,958.90/x
  3. Step 3: Cross multiply
    19,106.10x = 28,659.15 × 14,958.90
  4. Step 4: Simplify right side
    19,106.10x = 428,709,358.94
  5. Step 5: Solve for x
    x = 428,709,358.94/19,106.10
  6. Step 6: Final answer
    x = 22,438.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.