Home / 15,865.02-23,795.21-4,178.22

Finding the Fourth Proportional to 15,865.02, 23,795.21 and 4,178.22

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Solution

The fourth proportional to 15,865.02, 23,795.21 and 4,178.22 is: 6,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.02 : 23,795.21 = 4,178.22 : x
  2. Step 2: Convert to fraction form
    15,865.02/23,795.21 = 4,178.22/x
  3. Step 3: Cross multiply
    15,865.02x = 23,795.21 × 4,178.22
  4. Step 4: Simplify right side
    15,865.02x = 99,421,601.44
  5. Step 5: Solve for x
    x = 99,421,601.44/15,865.02
  6. Step 6: Final answer
    x = 6,266.72

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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.