Home / 13,491.08-20,222.98-5,582.67

Finding the Fourth Proportional to 13,491.08, 20,222.98 and 5,582.67

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Solution

The fourth proportional to 13,491.08, 20,222.98 and 5,582.67 is: 8,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.08 : 20,222.98 = 5,582.67 : x
  2. Step 2: Convert to fraction form
    13,491.08/20,222.98 = 5,582.67/x
  3. Step 3: Cross multiply
    13,491.08x = 20,222.98 × 5,582.67
  4. Step 4: Simplify right side
    13,491.08x = 112,898,209.80
  5. Step 5: Solve for x
    x = 112,898,209.80/13,491.08
  6. Step 6: Final answer
    x = 8,368.36

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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.