Home / 15,055.02-20,777.67-8,767.38

Finding the Fourth Proportional to 15,055.02, 20,777.67 and 8,767.38

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Solution

The fourth proportional to 15,055.02, 20,777.67 and 8,767.38 is: 12,100.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,055.02 : 20,777.67 = 8,767.38 : x
  2. Step 2: Convert to fraction form
    15,055.02/20,777.67 = 8,767.38/x
  3. Step 3: Cross multiply
    15,055.02x = 20,777.67 × 8,767.38
  4. Step 4: Simplify right side
    15,055.02x = 182,165,728.40
  5. Step 5: Solve for x
    x = 182,165,728.40/15,055.02
  6. Step 6: Final answer
    x = 12,100.00

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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.