Home / 22,580.84-31,153.53-13,499.89

Finding the Fourth Proportional to 22,580.84, 31,153.53 and 13,499.89

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Solution

The fourth proportional to 22,580.84, 31,153.53 and 13,499.89 is: 18,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.84 : 31,153.53 = 13,499.89 : x
  2. Step 2: Convert to fraction form
    22,580.84/31,153.53 = 13,499.89/x
  3. Step 3: Cross multiply
    22,580.84x = 31,153.53 × 13,499.89
  4. Step 4: Simplify right side
    22,580.84x = 420,569,228.11
  5. Step 5: Solve for x
    x = 420,569,228.11/22,580.84
  6. Step 6: Final answer
    x = 18,625.05

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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.