Home / 19,195.80-28,707.30-16,085.40

Finding the Fourth Proportional to 19,195.80, 28,707.30 and 16,085.40

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Solution

The fourth proportional to 19,195.80, 28,707.30 and 16,085.40 is: 24,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.80 : 28,707.30 = 16,085.40 : x
  2. Step 2: Convert to fraction form
    19,195.80/28,707.30 = 16,085.40/x
  3. Step 3: Cross multiply
    19,195.80x = 28,707.30 × 16,085.40
  4. Step 4: Simplify right side
    19,195.80x = 461,768,403.42
  5. Step 5: Solve for x
    x = 461,768,403.42/19,195.80
  6. Step 6: Final answer
    x = 24,055.70

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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.