Home / 20,697.93-28,567.08-11,746.27

Finding the Fourth Proportional to 20,697.93, 28,567.08 and 11,746.27

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Solution

The fourth proportional to 20,697.93, 28,567.08 and 11,746.27 is: 16,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697.93 : 28,567.08 = 11,746.27 : x
  2. Step 2: Convert to fraction form
    20,697.93/28,567.08 = 11,746.27/x
  3. Step 3: Cross multiply
    20,697.93x = 28,567.08 × 11,746.27
  4. Step 4: Simplify right side
    20,697.93x = 335,556,509.81
  5. Step 5: Solve for x
    x = 335,556,509.81/20,697.93
  6. Step 6: Final answer
    x = 16,212.08

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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.