Home / 17,318.34-25,981.93-4,838.40

Finding the Fourth Proportional to 17,318.34, 25,981.93 and 4,838.40

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Solution

The fourth proportional to 17,318.34, 25,981.93 and 4,838.40 is: 7,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.34 : 25,981.93 = 4,838.40 : x
  2. Step 2: Convert to fraction form
    17,318.34/25,981.93 = 4,838.40/x
  3. Step 3: Cross multiply
    17,318.34x = 25,981.93 × 4,838.40
  4. Step 4: Simplify right side
    17,318.34x = 125,710,976.16
  5. Step 5: Solve for x
    x = 125,710,976.16/17,318.34
  6. Step 6: Final answer
    x = 7,258.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.