Home / 15,833.11-21,829.84-10,157.84

Finding the Fourth Proportional to 15,833.11, 21,829.84 and 10,157.84

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Solution

The fourth proportional to 15,833.11, 21,829.84 and 10,157.84 is: 14,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833.11 : 21,829.84 = 10,157.84 : x
  2. Step 2: Convert to fraction form
    15,833.11/21,829.84 = 10,157.84/x
  3. Step 3: Cross multiply
    15,833.11x = 21,829.84 × 10,157.84
  4. Step 4: Simplify right side
    15,833.11x = 221,744,021.95
  5. Step 5: Solve for x
    x = 221,744,021.95/15,833.11
  6. Step 6: Final answer
    x = 14,005.08

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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.