Home / 22,090.24-30,477.54-12,528.46

Finding the Fourth Proportional to 22,090.24, 30,477.54 and 12,528.46

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Solution

The fourth proportional to 22,090.24, 30,477.54 and 12,528.46 is: 17,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,090.24 : 30,477.54 = 12,528.46 : x
  2. Step 2: Convert to fraction form
    22,090.24/30,477.54 = 12,528.46/x
  3. Step 3: Cross multiply
    22,090.24x = 30,477.54 × 12,528.46
  4. Step 4: Simplify right side
    22,090.24x = 381,836,640.79
  5. Step 5: Solve for x
    x = 381,836,640.79/22,090.24
  6. Step 6: Final answer
    x = 17,285.31

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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.