Home / 15,678.26-23,516.40-7,360.10

Finding the Fourth Proportional to 15,678.26, 23,516.40 and 7,360.10

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Solution

The fourth proportional to 15,678.26, 23,516.40 and 7,360.10 is: 11,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.26 : 23,516.40 = 7,360.10 : x
  2. Step 2: Convert to fraction form
    15,678.26/23,516.40 = 7,360.10/x
  3. Step 3: Cross multiply
    15,678.26x = 23,516.40 × 7,360.10
  4. Step 4: Simplify right side
    15,678.26x = 173,083,055.64
  5. Step 5: Solve for x
    x = 173,083,055.64/15,678.26
  6. Step 6: Final answer
    x = 11,039.69

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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.