Home / 22,330.32-30,816.74-13,376.04

Finding the Fourth Proportional to 22,330.32, 30,816.74 and 13,376.04

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Solution

The fourth proportional to 22,330.32, 30,816.74 and 13,376.04 is: 18,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.32 : 30,816.74 = 13,376.04 : x
  2. Step 2: Convert to fraction form
    22,330.32/30,816.74 = 13,376.04/x
  3. Step 3: Cross multiply
    22,330.32x = 30,816.74 × 13,376.04
  4. Step 4: Simplify right side
    22,330.32x = 412,205,946.91
  5. Step 5: Solve for x
    x = 412,205,946.91/22,330.32
  6. Step 6: Final answer
    x = 18,459.47

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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.