Home / 23,134.93-31,931.47-15,054.34

Finding the Fourth Proportional to 23,134.93, 31,931.47 and 15,054.34

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Solution

The fourth proportional to 23,134.93, 31,931.47 and 15,054.34 is: 20,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,134.93 : 31,931.47 = 15,054.34 : x
  2. Step 2: Convert to fraction form
    23,134.93/31,931.47 = 15,054.34/x
  3. Step 3: Cross multiply
    23,134.93x = 31,931.47 × 15,054.34
  4. Step 4: Simplify right side
    23,134.93x = 480,707,206.08
  5. Step 5: Solve for x
    x = 480,707,206.08/23,134.93
  6. Step 6: Final answer
    x = 20,778.42

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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.