Home / 21,192.62-31,803.33-7,341.50

Finding the Fourth Proportional to 21,192.62, 31,803.33 and 7,341.50

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Solution

The fourth proportional to 21,192.62, 31,803.33 and 7,341.50 is: 11,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.62 : 31,803.33 = 7,341.50 : x
  2. Step 2: Convert to fraction form
    21,192.62/31,803.33 = 7,341.50/x
  3. Step 3: Cross multiply
    21,192.62x = 31,803.33 × 7,341.50
  4. Step 4: Simplify right side
    21,192.62x = 233,484,147.20
  5. Step 5: Solve for x
    x = 233,484,147.20/21,192.62
  6. Step 6: Final answer
    x = 11,017.24

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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.