Home / 18,885.48-26,068.98-16,222.20

Finding the Fourth Proportional to 18,885.48, 26,068.98 and 16,222.20

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Solution

The fourth proportional to 18,885.48, 26,068.98 and 16,222.20 is: 22,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.48 : 26,068.98 = 16,222.20 : x
  2. Step 2: Convert to fraction form
    18,885.48/26,068.98 = 16,222.20/x
  3. Step 3: Cross multiply
    18,885.48x = 26,068.98 × 16,222.20
  4. Step 4: Simplify right side
    18,885.48x = 422,896,207.36
  5. Step 5: Solve for x
    x = 422,896,207.36/18,885.48
  6. Step 6: Final answer
    x = 22,392.66

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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.