Home / 23,145.76-31,941.44-13,712.52

Finding the Fourth Proportional to 23,145.76, 31,941.44 and 13,712.52

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Solution

The fourth proportional to 23,145.76, 31,941.44 and 13,712.52 is: 18,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.76 : 31,941.44 = 13,712.52 : x
  2. Step 2: Convert to fraction form
    23,145.76/31,941.44 = 13,712.52/x
  3. Step 3: Cross multiply
    23,145.76x = 31,941.44 × 13,712.52
  4. Step 4: Simplify right side
    23,145.76x = 437,997,634.83
  5. Step 5: Solve for x
    x = 437,997,634.83/23,145.76
  6. Step 6: Final answer
    x = 18,923.45

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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.