Home / 15,035.08-20,749.18-9,068.68

Finding the Fourth Proportional to 15,035.08, 20,749.18 and 9,068.68

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Solution

The fourth proportional to 15,035.08, 20,749.18 and 9,068.68 is: 12,515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035.08 : 20,749.18 = 9,068.68 : x
  2. Step 2: Convert to fraction form
    15,035.08/20,749.18 = 9,068.68/x
  3. Step 3: Cross multiply
    15,035.08x = 20,749.18 × 9,068.68
  4. Step 4: Simplify right side
    15,035.08x = 188,167,673.68
  5. Step 5: Solve for x
    x = 188,167,673.68/15,035.08
  6. Step 6: Final answer
    x = 12,515.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.