Home / 15,525.15-23,291.34-4,431.99

Finding the Fourth Proportional to 15,525.15, 23,291.34 and 4,431.99

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Solution

The fourth proportional to 15,525.15, 23,291.34 and 4,431.99 is: 6,649.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525.15 : 23,291.34 = 4,431.99 : x
  2. Step 2: Convert to fraction form
    15,525.15/23,291.34 = 4,431.99/x
  3. Step 3: Cross multiply
    15,525.15x = 23,291.34 × 4,431.99
  4. Step 4: Simplify right side
    15,525.15x = 103,226,985.97
  5. Step 5: Solve for x
    x = 103,226,985.97/15,525.15
  6. Step 6: Final answer
    x = 6,649.02

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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.