Home / 19,273.38-26,587.52-12,900.24

Finding the Fourth Proportional to 19,273.38, 26,587.52 and 12,900.24

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Solution

The fourth proportional to 19,273.38, 26,587.52 and 12,900.24 is: 17,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.38 : 26,587.52 = 12,900.24 : x
  2. Step 2: Convert to fraction form
    19,273.38/26,587.52 = 12,900.24/x
  3. Step 3: Cross multiply
    19,273.38x = 26,587.52 × 12,900.24
  4. Step 4: Simplify right side
    19,273.38x = 342,985,389.00
  5. Step 5: Solve for x
    x = 342,985,389.00/19,273.38
  6. Step 6: Final answer
    x = 17,795.81

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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.