Home / 19,026.60-28,539.90-16,117.80

Finding the Fourth Proportional to 19,026.60, 28,539.90 and 16,117.80

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Solution

The fourth proportional to 19,026.60, 28,539.90 and 16,117.80 is: 24,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.60 : 28,539.90 = 16,117.80 : x
  2. Step 2: Convert to fraction form
    19,026.60/28,539.90 = 16,117.80/x
  3. Step 3: Cross multiply
    19,026.60x = 28,539.90 × 16,117.80
  4. Step 4: Simplify right side
    19,026.60x = 460,000,400.22
  5. Step 5: Solve for x
    x = 460,000,400.22/19,026.60
  6. Step 6: Final answer
    x = 24,176.70

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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.