Home / 22,851.22-31,521.54-13,417.96

Finding the Fourth Proportional to 22,851.22, 31,521.54 and 13,417.96

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Solution

The fourth proportional to 22,851.22, 31,521.54 and 13,417.96 is: 18,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,851.22 : 31,521.54 = 13,417.96 : x
  2. Step 2: Convert to fraction form
    22,851.22/31,521.54 = 13,417.96/x
  3. Step 3: Cross multiply
    22,851.22x = 31,521.54 × 13,417.96
  4. Step 4: Simplify right side
    22,851.22x = 422,954,762.86
  5. Step 5: Solve for x
    x = 422,954,762.86/22,851.22
  6. Step 6: Final answer
    x = 18,509.07

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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.