Home / 22,622.49-31,213.35-16,581.51

Finding the Fourth Proportional to 22,622.49, 31,213.35 and 16,581.51

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Solution

The fourth proportional to 22,622.49, 31,213.35 and 16,581.51 is: 22,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,622.49 : 31,213.35 = 16,581.51 : x
  2. Step 2: Convert to fraction form
    22,622.49/31,213.35 = 16,581.51/x
  3. Step 3: Cross multiply
    22,622.49x = 31,213.35 × 16,581.51
  4. Step 4: Simplify right side
    22,622.49x = 517,564,475.16
  5. Step 5: Solve for x
    x = 517,564,475.16/22,622.49
  6. Step 6: Final answer
    x = 22,878.32

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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.