Home / 19,925.57-27,495.17-10,972.54

Finding the Fourth Proportional to 19,925.57, 27,495.17 and 10,972.54

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Solution

The fourth proportional to 19,925.57, 27,495.17 and 10,972.54 is: 15,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,925.57 : 27,495.17 = 10,972.54 : x
  2. Step 2: Convert to fraction form
    19,925.57/27,495.17 = 10,972.54/x
  3. Step 3: Cross multiply
    19,925.57x = 27,495.17 × 10,972.54
  4. Step 4: Simplify right side
    19,925.57x = 301,691,852.63
  5. Step 5: Solve for x
    x = 301,691,852.63/19,925.57
  6. Step 6: Final answer
    x = 15,140.94

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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.