Home / 19,152.72-28,696.23-15,216.12

Finding the Fourth Proportional to 19,152.72, 28,696.23 and 15,216.12

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Solution

The fourth proportional to 19,152.72, 28,696.23 and 15,216.12 is: 22,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.72 : 28,696.23 = 15,216.12 : x
  2. Step 2: Convert to fraction form
    19,152.72/28,696.23 = 15,216.12/x
  3. Step 3: Cross multiply
    19,152.72x = 28,696.23 × 15,216.12
  4. Step 4: Simplify right side
    19,152.72x = 436,645,279.23
  5. Step 5: Solve for x
    x = 436,645,279.23/19,152.72
  6. Step 6: Final answer
    x = 22,798.08

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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.