Home / 22,360-30,848.94-13,410.40

Finding the Fourth Proportional to 22,360, 30,848.94 and 13,410.40

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Solution

The fourth proportional to 22,360, 30,848.94 and 13,410.40 is: 18,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360 : 30,848.94 = 13,410.40 : x
  2. Step 2: Convert to fraction form
    22,360/30,848.94 = 13,410.40/x
  3. Step 3: Cross multiply
    22,360x = 30,848.94 × 13,410.40
  4. Step 4: Simplify right side
    22,360x = 413,696,624.98
  5. Step 5: Solve for x
    x = 413,696,624.98/22,360
  6. Step 6: Final answer
    x = 18,501.64

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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.