Home / 22,599.84-31,186.92-12,528.44

Finding the Fourth Proportional to 22,599.84, 31,186.92 and 12,528.44

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Solution

The fourth proportional to 22,599.84, 31,186.92 and 12,528.44 is: 17,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.84 : 31,186.92 = 12,528.44 : x
  2. Step 2: Convert to fraction form
    22,599.84/31,186.92 = 12,528.44/x
  3. Step 3: Cross multiply
    22,599.84x = 31,186.92 × 12,528.44
  4. Step 4: Simplify right side
    22,599.84x = 390,723,464.00
  5. Step 5: Solve for x
    x = 390,723,464.00/22,599.84
  6. Step 6: Final answer
    x = 17,288.77

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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.