Home / 15,646.22-23,433.87-10,987.10

Finding the Fourth Proportional to 15,646.22, 23,433.87 and 10,987.10

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Solution

The fourth proportional to 15,646.22, 23,433.87 and 10,987.10 is: 16,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.22 : 23,433.87 = 10,987.10 : x
  2. Step 2: Convert to fraction form
    15,646.22/23,433.87 = 10,987.10/x
  3. Step 3: Cross multiply
    15,646.22x = 23,433.87 × 10,987.10
  4. Step 4: Simplify right side
    15,646.22x = 257,470,273.08
  5. Step 5: Solve for x
    x = 257,470,273.08/15,646.22
  6. Step 6: Final answer
    x = 16,455.75

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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.