Home / 22,053.16-30,433.35-12,621.70

Finding the Fourth Proportional to 22,053.16, 30,433.35 and 12,621.70

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Solution

The fourth proportional to 22,053.16, 30,433.35 and 12,621.70 is: 17,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.16 : 30,433.35 = 12,621.70 : x
  2. Step 2: Convert to fraction form
    22,053.16/30,433.35 = 12,621.70/x
  3. Step 3: Cross multiply
    22,053.16x = 30,433.35 × 12,621.70
  4. Step 4: Simplify right side
    22,053.16x = 384,120,613.70
  5. Step 5: Solve for x
    x = 384,120,613.70/22,053.16
  6. Step 6: Final answer
    x = 17,417.94

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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.