Home / 16,623.90-22,968.63-13,113.90

Finding the Fourth Proportional to 16,623.90, 22,968.63 and 13,113.90

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Solution

The fourth proportional to 16,623.90, 22,968.63 and 13,113.90 is: 18,118.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,623.90 : 22,968.63 = 13,113.90 : x
  2. Step 2: Convert to fraction form
    16,623.90/22,968.63 = 13,113.90/x
  3. Step 3: Cross multiply
    16,623.90x = 22,968.63 × 13,113.90
  4. Step 4: Simplify right side
    16,623.90x = 301,208,316.96
  5. Step 5: Solve for x
    x = 301,208,316.96/16,623.90
  6. Step 6: Final answer
    x = 18,118.99

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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.