Home / 23,019.64-31,745.44-21,301.50

Finding the Fourth Proportional to 23,019.64, 31,745.44 and 21,301.50

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Solution

The fourth proportional to 23,019.64, 31,745.44 and 21,301.50 is: 29,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,019.64 : 31,745.44 = 21,301.50 : x
  2. Step 2: Convert to fraction form
    23,019.64/31,745.44 = 21,301.50/x
  3. Step 3: Cross multiply
    23,019.64x = 31,745.44 × 21,301.50
  4. Step 4: Simplify right side
    23,019.64x = 676,225,490.16
  5. Step 5: Solve for x
    x = 676,225,490.16/23,019.64
  6. Step 6: Final answer
    x = 29,376.02

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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.