Home / 19,267.13-28,900.70-5,416.13

Finding the Fourth Proportional to 19,267.13, 28,900.70 and 5,416.13

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Solution

The fourth proportional to 19,267.13, 28,900.70 and 5,416.13 is: 8,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.13 : 28,900.70 = 5,416.13 : x
  2. Step 2: Convert to fraction form
    19,267.13/28,900.70 = 5,416.13/x
  3. Step 3: Cross multiply
    19,267.13x = 28,900.70 × 5,416.13
  4. Step 4: Simplify right side
    19,267.13x = 156,529,776.71
  5. Step 5: Solve for x
    x = 156,529,776.71/19,267.13
  6. Step 6: Final answer
    x = 8,124.19

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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.