Home / 22,693.16-31,315.96-12,621.08

Finding the Fourth Proportional to 22,693.16, 31,315.96 and 12,621.08

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Solution

The fourth proportional to 22,693.16, 31,315.96 and 12,621.08 is: 17,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.16 : 31,315.96 = 12,621.08 : x
  2. Step 2: Convert to fraction form
    22,693.16/31,315.96 = 12,621.08/x
  3. Step 3: Cross multiply
    22,693.16x = 31,315.96 × 12,621.08
  4. Step 4: Simplify right side
    22,693.16x = 395,241,236.44
  5. Step 5: Solve for x
    x = 395,241,236.44/22,693.16
  6. Step 6: Final answer
    x = 17,416.76

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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.