Home / 16,315.01-22,509.36-9,143.88

Finding the Fourth Proportional to 16,315.01, 22,509.36 and 9,143.88

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Solution

The fourth proportional to 16,315.01, 22,509.36 and 9,143.88 is: 12,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.01 : 22,509.36 = 9,143.88 : x
  2. Step 2: Convert to fraction form
    16,315.01/22,509.36 = 9,143.88/x
  3. Step 3: Cross multiply
    16,315.01x = 22,509.36 × 9,143.88
  4. Step 4: Simplify right side
    16,315.01x = 205,822,886.72
  5. Step 5: Solve for x
    x = 205,822,886.72/16,315.01
  6. Step 6: Final answer
    x = 12,615.55

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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.