Home / 15,347.74-23,021.52-4,254.31

Finding the Fourth Proportional to 15,347.74, 23,021.52 and 4,254.31

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Solution

The fourth proportional to 15,347.74, 23,021.52 and 4,254.31 is: 6,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.74 : 23,021.52 = 4,254.31 : x
  2. Step 2: Convert to fraction form
    15,347.74/23,021.52 = 4,254.31/x
  3. Step 3: Cross multiply
    15,347.74x = 23,021.52 × 4,254.31
  4. Step 4: Simplify right side
    15,347.74x = 97,940,682.75
  5. Step 5: Solve for x
    x = 97,940,682.75/15,347.74
  6. Step 6: Final answer
    x = 6,381.44

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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.