Home / 15,822.90-23,735.70-5,434.65

Finding the Fourth Proportional to 15,822.90, 23,735.70 and 5,434.65

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Solution

The fourth proportional to 15,822.90, 23,735.70 and 5,434.65 is: 8,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822.90 : 23,735.70 = 5,434.65 : x
  2. Step 2: Convert to fraction form
    15,822.90/23,735.70 = 5,434.65/x
  3. Step 3: Cross multiply
    15,822.90x = 23,735.70 × 5,434.65
  4. Step 4: Simplify right side
    15,822.90x = 128,995,222.01
  5. Step 5: Solve for x
    x = 128,995,222.01/15,822.90
  6. Step 6: Final answer
    x = 8,152.44

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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.