Home / 19,521.98-29,252.31-15,090.50

Finding the Fourth Proportional to 19,521.98, 29,252.31 and 15,090.50

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Solution

The fourth proportional to 19,521.98, 29,252.31 and 15,090.50 is: 22,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.98 : 29,252.31 = 15,090.50 : x
  2. Step 2: Convert to fraction form
    19,521.98/29,252.31 = 15,090.50/x
  3. Step 3: Cross multiply
    19,521.98x = 29,252.31 × 15,090.50
  4. Step 4: Simplify right side
    19,521.98x = 441,431,984.06
  5. Step 5: Solve for x
    x = 441,431,984.06/19,521.98
  6. Step 6: Final answer
    x = 22,612.05

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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.