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Finding the Fourth Proportional to 15,166.01, 20,923.12 and 10,133.51

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Solution

The fourth proportional to 15,166.01, 20,923.12 and 10,133.51 is: 13,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.01 : 20,923.12 = 10,133.51 : x
  2. Step 2: Convert to fraction form
    15,166.01/20,923.12 = 10,133.51/x
  3. Step 3: Cross multiply
    15,166.01x = 20,923.12 × 10,133.51
  4. Step 4: Simplify right side
    15,166.01x = 212,024,672.73
  5. Step 5: Solve for x
    x = 212,024,672.73/15,166.01
  6. Step 6: Final answer
    x = 13,980.26

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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.