Home / 28,642.12-39,526.02-16,066.60

Finding the Fourth Proportional to 28,642.12, 39,526.02 and 16,066.60

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Solution

The fourth proportional to 28,642.12, 39,526.02 and 16,066.60 is: 22,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642.12 : 39,526.02 = 16,066.60 : x
  2. Step 2: Convert to fraction form
    28,642.12/39,526.02 = 16,066.60/x
  3. Step 3: Cross multiply
    28,642.12x = 39,526.02 × 16,066.60
  4. Step 4: Simplify right side
    28,642.12x = 635,048,752.93
  5. Step 5: Solve for x
    x = 635,048,752.93/28,642.12
  6. Step 6: Final answer
    x = 22,171.85

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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.