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Finding the Fourth Proportional to 15,141.60, 22,712.40 and 14,048.10

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Solution

The fourth proportional to 15,141.60, 22,712.40 and 14,048.10 is: 21,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.60 : 22,712.40 = 14,048.10 : x
  2. Step 2: Convert to fraction form
    15,141.60/22,712.40 = 14,048.10/x
  3. Step 3: Cross multiply
    15,141.60x = 22,712.40 × 14,048.10
  4. Step 4: Simplify right side
    15,141.60x = 319,066,066.44
  5. Step 5: Solve for x
    x = 319,066,066.44/15,141.60
  6. Step 6: Final answer
    x = 21,072.15

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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.