Home / 15,574.36-23,361.18-5,186.20

Finding the Fourth Proportional to 15,574.36, 23,361.18 and 5,186.20

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Solution

The fourth proportional to 15,574.36, 23,361.18 and 5,186.20 is: 7,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.36 : 23,361.18 = 5,186.20 : x
  2. Step 2: Convert to fraction form
    15,574.36/23,361.18 = 5,186.20/x
  3. Step 3: Cross multiply
    15,574.36x = 23,361.18 × 5,186.20
  4. Step 4: Simplify right side
    15,574.36x = 121,155,751.72
  5. Step 5: Solve for x
    x = 121,155,751.72/15,574.36
  6. Step 6: Final answer
    x = 7,779.18

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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.