Home / 14,353.81-19,812.17-9,317.76

Finding the Fourth Proportional to 14,353.81, 19,812.17 and 9,317.76

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Solution

The fourth proportional to 14,353.81, 19,812.17 and 9,317.76 is: 12,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.81 : 19,812.17 = 9,317.76 : x
  2. Step 2: Convert to fraction form
    14,353.81/19,812.17 = 9,317.76/x
  3. Step 3: Cross multiply
    14,353.81x = 19,812.17 × 9,317.76
  4. Step 4: Simplify right side
    14,353.81x = 184,605,023.65
  5. Step 5: Solve for x
    x = 184,605,023.65/14,353.81
  6. Step 6: Final answer
    x = 12,861.05

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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.