Home / 17,838.90-24,617.40-9,881.58

Finding the Fourth Proportional to 17,838.90, 24,617.40 and 9,881.58

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Solution

The fourth proportional to 17,838.90, 24,617.40 and 9,881.58 is: 13,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.90 : 24,617.40 = 9,881.58 : x
  2. Step 2: Convert to fraction form
    17,838.90/24,617.40 = 9,881.58/x
  3. Step 3: Cross multiply
    17,838.90x = 24,617.40 × 9,881.58
  4. Step 4: Simplify right side
    17,838.90x = 243,258,807.49
  5. Step 5: Solve for x
    x = 243,258,807.49/17,838.90
  6. Step 6: Final answer
    x = 13,636.42

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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.