Home / 21,044.36-31,573.92-9,358.58

Finding the Fourth Proportional to 21,044.36, 31,573.92 and 9,358.58

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Solution

The fourth proportional to 21,044.36, 31,573.92 and 9,358.58 is: 14,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.36 : 31,573.92 = 9,358.58 : x
  2. Step 2: Convert to fraction form
    21,044.36/31,573.92 = 9,358.58/x
  3. Step 3: Cross multiply
    21,044.36x = 31,573.92 × 9,358.58
  4. Step 4: Simplify right side
    21,044.36x = 295,487,056.23
  5. Step 5: Solve for x
    x = 295,487,056.23/21,044.36
  6. Step 6: Final answer
    x = 14,041.15

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1.5x scale

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.