Home / 18,166.60-24,999.06-16,075.72

Finding the Fourth Proportional to 18,166.60, 24,999.06 and 16,075.72

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Solution

The fourth proportional to 18,166.60, 24,999.06 and 16,075.72 is: 22,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.60 : 24,999.06 = 16,075.72 : x
  2. Step 2: Convert to fraction form
    18,166.60/24,999.06 = 16,075.72/x
  3. Step 3: Cross multiply
    18,166.60x = 24,999.06 × 16,075.72
  4. Step 4: Simplify right side
    18,166.60x = 401,877,888.82
  5. Step 5: Solve for x
    x = 401,877,888.82/18,166.60
  6. Step 6: Final answer
    x = 22,121.80

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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.