Home / 23,189.90-34,722.53-19,079.51

Finding the Fourth Proportional to 23,189.90, 34,722.53 and 19,079.51

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Solution

The fourth proportional to 23,189.90, 34,722.53 and 19,079.51 is: 28,567.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189.90 : 34,722.53 = 19,079.51 : x
  2. Step 2: Convert to fraction form
    23,189.90/34,722.53 = 19,079.51/x
  3. Step 3: Cross multiply
    23,189.90x = 34,722.53 × 19,079.51
  4. Step 4: Simplify right side
    23,189.90x = 662,488,762.96
  5. Step 5: Solve for x
    x = 662,488,762.96/23,189.90
  6. Step 6: Final answer
    x = 28,567.99

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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.