Home / 26,172.12-39,253.94-7,192.32

Finding the Fourth Proportional to 26,172.12, 39,253.94 and 7,192.32

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Solution

The fourth proportional to 26,172.12, 39,253.94 and 7,192.32 is: 10,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.12 : 39,253.94 = 7,192.32 : x
  2. Step 2: Convert to fraction form
    26,172.12/39,253.94 = 7,192.32/x
  3. Step 3: Cross multiply
    26,172.12x = 39,253.94 × 7,192.32
  4. Step 4: Simplify right side
    26,172.12x = 282,326,897.74
  5. Step 5: Solve for x
    x = 282,326,897.74/26,172.12
  6. Step 6: Final answer
    x = 10,787.31

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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.