Home / 13,889.07-19,151.64-8,847.63

Finding the Fourth Proportional to 13,889.07, 19,151.64 and 8,847.63

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Solution

The fourth proportional to 13,889.07, 19,151.64 and 8,847.63 is: 12,200.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.07 : 19,151.64 = 8,847.63 : x
  2. Step 2: Convert to fraction form
    13,889.07/19,151.64 = 8,847.63/x
  3. Step 3: Cross multiply
    13,889.07x = 19,151.64 × 8,847.63
  4. Step 4: Simplify right side
    13,889.07x = 169,446,624.61
  5. Step 5: Solve for x
    x = 169,446,624.61/13,889.07
  6. Step 6: Final answer
    x = 12,200.00

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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.