Home / 19,290.90-26,624.28-12,217.98

Finding the Fourth Proportional to 19,290.90, 26,624.28 and 12,217.98

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Solution

The fourth proportional to 19,290.90, 26,624.28 and 12,217.98 is: 16,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.90 : 26,624.28 = 12,217.98 : x
  2. Step 2: Convert to fraction form
    19,290.90/26,624.28 = 12,217.98/x
  3. Step 3: Cross multiply
    19,290.90x = 26,624.28 × 12,217.98
  4. Step 4: Simplify right side
    19,290.90x = 325,294,920.55
  5. Step 5: Solve for x
    x = 325,294,920.55/19,290.90
  6. Step 6: Final answer
    x = 16,862.61

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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.