Home / 23,065.08-31,835.74-15,018.81

Finding the Fourth Proportional to 23,065.08, 31,835.74 and 15,018.81

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Solution

The fourth proportional to 23,065.08, 31,835.74 and 15,018.81 is: 20,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,065.08 : 31,835.74 = 15,018.81 : x
  2. Step 2: Convert to fraction form
    23,065.08/31,835.74 = 15,018.81/x
  3. Step 3: Cross multiply
    23,065.08x = 31,835.74 × 15,018.81
  4. Step 4: Simplify right side
    23,065.08x = 478,135,117.00
  5. Step 5: Solve for x
    x = 478,135,117.00/23,065.08
  6. Step 6: Final answer
    x = 20,729.83

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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.