Home / 19,141.12-26,415.62-10,644.10

Finding the Fourth Proportional to 19,141.12, 26,415.62 and 10,644.10

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Solution

The fourth proportional to 19,141.12, 26,415.62 and 10,644.10 is: 14,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.12 : 26,415.62 = 10,644.10 : x
  2. Step 2: Convert to fraction form
    19,141.12/26,415.62 = 10,644.10/x
  3. Step 3: Cross multiply
    19,141.12x = 26,415.62 × 10,644.10
  4. Step 4: Simplify right side
    19,141.12x = 281,170,461.41
  5. Step 5: Solve for x
    x = 281,170,461.41/19,141.12
  6. Step 6: Final answer
    x = 14,689.34

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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.