Home / 15,062.04-20,782.56-9,756.12

Finding the Fourth Proportional to 15,062.04, 20,782.56 and 9,756.12

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Solution

The fourth proportional to 15,062.04, 20,782.56 and 9,756.12 is: 13,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062.04 : 20,782.56 = 9,756.12 : x
  2. Step 2: Convert to fraction form
    15,062.04/20,782.56 = 9,756.12/x
  3. Step 3: Cross multiply
    15,062.04x = 20,782.56 × 9,756.12
  4. Step 4: Simplify right side
    15,062.04x = 202,757,149.27
  5. Step 5: Solve for x
    x = 202,757,149.27/15,062.04
  6. Step 6: Final answer
    x = 13,461.47

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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.