Home / 15,347.35-23,020.95-4,254

Finding the Fourth Proportional to 15,347.35, 23,020.95 and 4,254

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Solution

The fourth proportional to 15,347.35, 23,020.95 and 4,254 is: 6,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.35 : 23,020.95 = 4,254 : x
  2. Step 2: Convert to fraction form
    15,347.35/23,020.95 = 4,254/x
  3. Step 3: Cross multiply
    15,347.35x = 23,020.95 × 4,254
  4. Step 4: Simplify right side
    15,347.35x = 97,931,121.30
  5. Step 5: Solve for x
    x = 97,931,121.30/15,347.35
  6. Step 6: Final answer
    x = 6,380.98

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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.