Home / 23,182.29-31,999.10-13,622.01

Finding the Fourth Proportional to 23,182.29, 31,999.10 and 13,622.01

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Solution

The fourth proportional to 23,182.29, 31,999.10 and 13,622.01 is: 18,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.29 : 31,999.10 = 13,622.01 : x
  2. Step 2: Convert to fraction form
    23,182.29/31,999.10 = 13,622.01/x
  3. Step 3: Cross multiply
    23,182.29x = 31,999.10 × 13,622.01
  4. Step 4: Simplify right side
    23,182.29x = 435,891,992.08
  5. Step 5: Solve for x
    x = 435,891,992.08/23,182.29
  6. Step 6: Final answer
    x = 18,802.80

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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.