Home / 15,090.40-22,644.42-6,324.64

Finding the Fourth Proportional to 15,090.40, 22,644.42 and 6,324.64

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Solution

The fourth proportional to 15,090.40, 22,644.42 and 6,324.64 is: 9,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.40 : 22,644.42 = 6,324.64 : x
  2. Step 2: Convert to fraction form
    15,090.40/22,644.42 = 6,324.64/x
  3. Step 3: Cross multiply
    15,090.40x = 22,644.42 × 6,324.64
  4. Step 4: Simplify right side
    15,090.40x = 143,217,804.51
  5. Step 5: Solve for x
    x = 143,217,804.51/15,090.40
  6. Step 6: Final answer
    x = 9,490.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.