Home / 15,272.57-22,916.70-7,276.40

Finding the Fourth Proportional to 15,272.57, 22,916.70 and 7,276.40

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Solution

The fourth proportional to 15,272.57, 22,916.70 and 7,276.40 is: 10,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272.57 : 22,916.70 = 7,276.40 : x
  2. Step 2: Convert to fraction form
    15,272.57/22,916.70 = 7,276.40/x
  3. Step 3: Cross multiply
    15,272.57x = 22,916.70 × 7,276.40
  4. Step 4: Simplify right side
    15,272.57x = 166,751,047.23
  5. Step 5: Solve for x
    x = 166,751,047.23/15,272.57
  6. Step 6: Final answer
    x = 10,918.33

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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.