Home / 13,739.01-20,607.87-5,730.47

Finding the Fourth Proportional to 13,739.01, 20,607.87 and 5,730.47

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Solution

The fourth proportional to 13,739.01, 20,607.87 and 5,730.47 is: 8,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.01 : 20,607.87 = 5,730.47 : x
  2. Step 2: Convert to fraction form
    13,739.01/20,607.87 = 5,730.47/x
  3. Step 3: Cross multiply
    13,739.01x = 20,607.87 × 5,730.47
  4. Step 4: Simplify right side
    13,739.01x = 118,092,853.81
  5. Step 5: Solve for x
    x = 118,092,853.81/13,739.01
  6. Step 6: Final answer
    x = 8,595.44

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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.