Home / 22,736.28-31,376.16-13,303.02

Finding the Fourth Proportional to 22,736.28, 31,376.16 and 13,303.02

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Solution

The fourth proportional to 22,736.28, 31,376.16 and 13,303.02 is: 18,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,736.28 : 31,376.16 = 13,303.02 : x
  2. Step 2: Convert to fraction form
    22,736.28/31,376.16 = 13,303.02/x
  3. Step 3: Cross multiply
    22,736.28x = 31,376.16 × 13,303.02
  4. Step 4: Simplify right side
    22,736.28x = 417,397,684.00
  5. Step 5: Solve for x
    x = 417,397,684.00/22,736.28
  6. Step 6: Final answer
    x = 18,358.22

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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.