Home / 15,187.12-22,784.01-4,658.59

Finding the Fourth Proportional to 15,187.12, 22,784.01 and 4,658.59

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Solution

The fourth proportional to 15,187.12, 22,784.01 and 4,658.59 is: 6,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.12 : 22,784.01 = 4,658.59 : x
  2. Step 2: Convert to fraction form
    15,187.12/22,784.01 = 4,658.59/x
  3. Step 3: Cross multiply
    15,187.12x = 22,784.01 × 4,658.59
  4. Step 4: Simplify right side
    15,187.12x = 106,141,247.23
  5. Step 5: Solve for x
    x = 106,141,247.23/15,187.12
  6. Step 6: Final answer
    x = 6,988.90

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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.