Home / 14,005.71-19,327.63-7,632.35

Finding the Fourth Proportional to 14,005.71, 19,327.63 and 7,632.35

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Solution

The fourth proportional to 14,005.71, 19,327.63 and 7,632.35 is: 10,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.71 : 19,327.63 = 7,632.35 : x
  2. Step 2: Convert to fraction form
    14,005.71/19,327.63 = 7,632.35/x
  3. Step 3: Cross multiply
    14,005.71x = 19,327.63 × 7,632.35
  4. Step 4: Simplify right side
    14,005.71x = 147,515,246.99
  5. Step 5: Solve for x
    x = 147,515,246.99/14,005.71
  6. Step 6: Final answer
    x = 10,532.51

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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.