Home / 17,075.30-25,612.50-7,211.93

Finding the Fourth Proportional to 17,075.30, 25,612.50 and 7,211.93

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Solution

The fourth proportional to 17,075.30, 25,612.50 and 7,211.93 is: 10,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,075.30 : 25,612.50 = 7,211.93 : x
  2. Step 2: Convert to fraction form
    17,075.30/25,612.50 = 7,211.93/x
  3. Step 3: Cross multiply
    17,075.30x = 25,612.50 × 7,211.93
  4. Step 4: Simplify right side
    17,075.30x = 184,715,557.13
  5. Step 5: Solve for x
    x = 184,715,557.13/17,075.30
  6. Step 6: Final answer
    x = 10,817.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.