Home / 15,918.57-23,877.86-6,556.19

Finding the Fourth Proportional to 15,918.57, 23,877.86 and 6,556.19

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Solution

The fourth proportional to 15,918.57, 23,877.86 and 6,556.19 is: 9,834.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.57 : 23,877.86 = 6,556.19 : x
  2. Step 2: Convert to fraction form
    15,918.57/23,877.86 = 6,556.19/x
  3. Step 3: Cross multiply
    15,918.57x = 23,877.86 × 6,556.19
  4. Step 4: Simplify right side
    15,918.57x = 156,547,634.78
  5. Step 5: Solve for x
    x = 156,547,634.78/15,918.57
  6. Step 6: Final answer
    x = 9,834.28

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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.