Home / 27,111.98-37,420.38-16,505.03

Finding the Fourth Proportional to 27,111.98, 37,420.38 and 16,505.03

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Solution

The fourth proportional to 27,111.98, 37,420.38 and 16,505.03 is: 22,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,111.98 : 37,420.38 = 16,505.03 : x
  2. Step 2: Convert to fraction form
    27,111.98/37,420.38 = 16,505.03/x
  3. Step 3: Cross multiply
    27,111.98x = 37,420.38 × 16,505.03
  4. Step 4: Simplify right side
    27,111.98x = 617,624,307.41
  5. Step 5: Solve for x
    x = 617,624,307.41/27,111.98
  6. Step 6: Final answer
    x = 22,780.50

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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.