Home / 15,751.57-23,619.14-7,429.34

Finding the Fourth Proportional to 15,751.57, 23,619.14 and 7,429.34

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Solution

The fourth proportional to 15,751.57, 23,619.14 and 7,429.34 is: 11,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.57 : 23,619.14 = 7,429.34 : x
  2. Step 2: Convert to fraction form
    15,751.57/23,619.14 = 7,429.34/x
  3. Step 3: Cross multiply
    15,751.57x = 23,619.14 × 7,429.34
  4. Step 4: Simplify right side
    15,751.57x = 175,474,699.19
  5. Step 5: Solve for x
    x = 175,474,699.19/15,751.57
  6. Step 6: Final answer
    x = 11,140.14

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1.5x scale

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.