Home / 22,528.62-31,088.52-12,319.46

Finding the Fourth Proportional to 22,528.62, 31,088.52 and 12,319.46

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Solution

The fourth proportional to 22,528.62, 31,088.52 and 12,319.46 is: 17,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,528.62 : 31,088.52 = 12,319.46 : x
  2. Step 2: Convert to fraction form
    22,528.62/31,088.52 = 12,319.46/x
  3. Step 3: Cross multiply
    22,528.62x = 31,088.52 × 12,319.46
  4. Step 4: Simplify right side
    22,528.62x = 382,993,778.60
  5. Step 5: Solve for x
    x = 382,993,778.60/22,528.62
  6. Step 6: Final answer
    x = 17,000.32

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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.