Home / 15,407.42-23,108.84-4,313.40

Finding the Fourth Proportional to 15,407.42, 23,108.84 and 4,313.40

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Solution

The fourth proportional to 15,407.42, 23,108.84 and 4,313.40 is: 6,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.42 : 23,108.84 = 4,313.40 : x
  2. Step 2: Convert to fraction form
    15,407.42/23,108.84 = 4,313.40/x
  3. Step 3: Cross multiply
    15,407.42x = 23,108.84 × 4,313.40
  4. Step 4: Simplify right side
    15,407.42x = 99,677,732.66
  5. Step 5: Solve for x
    x = 99,677,732.66/15,407.42
  6. Step 6: Final answer
    x = 6,469.47

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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.