Home / 22,832.40-31,501.32-13,403.28

Finding the Fourth Proportional to 22,832.40, 31,501.32 and 13,403.28

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Solution

The fourth proportional to 22,832.40, 31,501.32 and 13,403.28 is: 18,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,832.40 : 31,501.32 = 13,403.28 : x
  2. Step 2: Convert to fraction form
    22,832.40/31,501.32 = 13,403.28/x
  3. Step 3: Cross multiply
    22,832.40x = 31,501.32 × 13,403.28
  4. Step 4: Simplify right side
    22,832.40x = 422,221,012.33
  5. Step 5: Solve for x
    x = 422,221,012.33/22,832.40
  6. Step 6: Final answer
    x = 18,492.19

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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.