Home / 22,282.94-30,746.56-12,718.46

Finding the Fourth Proportional to 22,282.94, 30,746.56 and 12,718.46

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Solution

The fourth proportional to 22,282.94, 30,746.56 and 12,718.46 is: 17,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.94 : 30,746.56 = 12,718.46 : x
  2. Step 2: Convert to fraction form
    22,282.94/30,746.56 = 12,718.46/x
  3. Step 3: Cross multiply
    22,282.94x = 30,746.56 × 12,718.46
  4. Step 4: Simplify right side
    22,282.94x = 391,048,893.50
  5. Step 5: Solve for x
    x = 391,048,893.50/22,282.94
  6. Step 6: Final answer
    x = 17,549.25

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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.