Home / 15,977.78-23,968.73-8,572.08

Finding the Fourth Proportional to 15,977.78, 23,968.73 and 8,572.08

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Solution

The fourth proportional to 15,977.78, 23,968.73 and 8,572.08 is: 12,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.78 : 23,968.73 = 8,572.08 : x
  2. Step 2: Convert to fraction form
    15,977.78/23,968.73 = 8,572.08/x
  3. Step 3: Cross multiply
    15,977.78x = 23,968.73 × 8,572.08
  4. Step 4: Simplify right side
    15,977.78x = 205,461,871.06
  5. Step 5: Solve for x
    x = 205,461,871.06/15,977.78
  6. Step 6: Final answer
    x = 12,859.23

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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.