Home / 13,088.06-19,632.72-4,322.78

Finding the Fourth Proportional to 13,088.06, 19,632.72 and 4,322.78

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Solution

The fourth proportional to 13,088.06, 19,632.72 and 4,322.78 is: 6,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.06 : 19,632.72 = 4,322.78 : x
  2. Step 2: Convert to fraction form
    13,088.06/19,632.72 = 4,322.78/x
  3. Step 3: Cross multiply
    13,088.06x = 19,632.72 × 4,322.78
  4. Step 4: Simplify right side
    13,088.06x = 84,867,929.36
  5. Step 5: Solve for x
    x = 84,867,929.36/13,088.06
  6. Step 6: Final answer
    x = 6,484.38

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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.