Home / 22,570.15-31,144.12-13,954.99

Finding the Fourth Proportional to 22,570.15, 31,144.12 and 13,954.99

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Solution

The fourth proportional to 22,570.15, 31,144.12 and 13,954.99 is: 19,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,570.15 : 31,144.12 = 13,954.99 : x
  2. Step 2: Convert to fraction form
    22,570.15/31,144.12 = 13,954.99/x
  3. Step 3: Cross multiply
    22,570.15x = 31,144.12 × 13,954.99
  4. Step 4: Simplify right side
    22,570.15x = 434,615,883.16
  5. Step 5: Solve for x
    x = 434,615,883.16/22,570.15
  6. Step 6: Final answer
    x = 19,256.22

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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.