Home / 15,045.02-20,768.92-9,675.26

Finding the Fourth Proportional to 15,045.02, 20,768.92 and 9,675.26

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Solution

The fourth proportional to 15,045.02, 20,768.92 and 9,675.26 is: 13,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,045.02 : 20,768.92 = 9,675.26 : x
  2. Step 2: Convert to fraction form
    15,045.02/20,768.92 = 9,675.26/x
  3. Step 3: Cross multiply
    15,045.02x = 20,768.92 × 9,675.26
  4. Step 4: Simplify right side
    15,045.02x = 200,944,700.92
  5. Step 5: Solve for x
    x = 200,944,700.92/15,045.02
  6. Step 6: Final answer
    x = 13,356.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.