Home / 22,561.18-31,101.93-15,825.94

Finding the Fourth Proportional to 22,561.18, 31,101.93 and 15,825.94

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Solution

The fourth proportional to 22,561.18, 31,101.93 and 15,825.94 is: 21,817.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,561.18 : 31,101.93 = 15,825.94 : x
  2. Step 2: Convert to fraction form
    22,561.18/31,101.93 = 15,825.94/x
  3. Step 3: Cross multiply
    22,561.18x = 31,101.93 × 15,825.94
  4. Step 4: Simplify right side
    22,561.18x = 492,217,278.06
  5. Step 5: Solve for x
    x = 492,217,278.06/22,561.18
  6. Step 6: Final answer
    x = 21,817.00

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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.