Home / 22,376.16-30,881.52-13,995.36

Finding the Fourth Proportional to 22,376.16, 30,881.52 and 13,995.36

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Solution

The fourth proportional to 22,376.16, 30,881.52 and 13,995.36 is: 19,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.16 : 30,881.52 = 13,995.36 : x
  2. Step 2: Convert to fraction form
    22,376.16/30,881.52 = 13,995.36/x
  3. Step 3: Cross multiply
    22,376.16x = 30,881.52 × 13,995.36
  4. Step 4: Simplify right side
    22,376.16x = 432,197,989.75
  5. Step 5: Solve for x
    x = 432,197,989.75/22,376.16
  6. Step 6: Final answer
    x = 19,315.11

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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.