Home / 23,176.50-31,985.56-13,106.74

Finding the Fourth Proportional to 23,176.50, 31,985.56 and 13,106.74

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Solution

The fourth proportional to 23,176.50, 31,985.56 and 13,106.74 is: 18,088.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176.50 : 31,985.56 = 13,106.74 : x
  2. Step 2: Convert to fraction form
    23,176.50/31,985.56 = 13,106.74/x
  3. Step 3: Cross multiply
    23,176.50x = 31,985.56 × 13,106.74
  4. Step 4: Simplify right side
    23,176.50x = 419,226,288.24
  5. Step 5: Solve for x
    x = 419,226,288.24/23,176.50
  6. Step 6: Final answer
    x = 18,088.42

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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.