Home / 19,143.65-28,686.23-8,044.27

Finding the Fourth Proportional to 19,143.65, 28,686.23 and 8,044.27

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Solution

The fourth proportional to 19,143.65, 28,686.23 and 8,044.27 is: 12,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.65 : 28,686.23 = 8,044.27 : x
  2. Step 2: Convert to fraction form
    19,143.65/28,686.23 = 8,044.27/x
  3. Step 3: Cross multiply
    19,143.65x = 28,686.23 × 8,044.27
  4. Step 4: Simplify right side
    19,143.65x = 230,759,779.40
  5. Step 5: Solve for x
    x = 230,759,779.40/19,143.65
  6. Step 6: Final answer
    x = 12,054.12

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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.