Home / 26,415.83-39,658.93-15,330.47

Finding the Fourth Proportional to 26,415.83, 39,658.93 and 15,330.47

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Solution

The fourth proportional to 26,415.83, 39,658.93 and 15,330.47 is: 23,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.83 : 39,658.93 = 15,330.47 : x
  2. Step 2: Convert to fraction form
    26,415.83/39,658.93 = 15,330.47/x
  3. Step 3: Cross multiply
    26,415.83x = 39,658.93 × 15,330.47
  4. Step 4: Simplify right side
    26,415.83x = 607,990,036.60
  5. Step 5: Solve for x
    x = 607,990,036.60/26,415.83
  6. Step 6: Final answer
    x = 23,016.12

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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.