Home / 14,325.27-19,764.81-9,289.69

Finding the Fourth Proportional to 14,325.27, 19,764.81 and 9,289.69

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Solution

The fourth proportional to 14,325.27, 19,764.81 and 9,289.69 is: 12,817.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.27 : 19,764.81 = 9,289.69 : x
  2. Step 2: Convert to fraction form
    14,325.27/19,764.81 = 9,289.69/x
  3. Step 3: Cross multiply
    14,325.27x = 19,764.81 × 9,289.69
  4. Step 4: Simplify right side
    14,325.27x = 183,608,957.81
  5. Step 5: Solve for x
    x = 183,608,957.81/14,325.27
  6. Step 6: Final answer
    x = 12,817.14

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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.