Home / 14,926.72-22,390.08-7,111.84

Finding the Fourth Proportional to 14,926.72, 22,390.08 and 7,111.84

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Solution

The fourth proportional to 14,926.72, 22,390.08 and 7,111.84 is: 10,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,926.72 : 22,390.08 = 7,111.84 : x
  2. Step 2: Convert to fraction form
    14,926.72/22,390.08 = 7,111.84/x
  3. Step 3: Cross multiply
    14,926.72x = 22,390.08 × 7,111.84
  4. Step 4: Simplify right side
    14,926.72x = 159,234,666.55
  5. Step 5: Solve for x
    x = 159,234,666.55/14,926.72
  6. Step 6: Final answer
    x = 10,667.76

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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.