Home / 14,412.99-19,889.09-8,040.18

Finding the Fourth Proportional to 14,412.99, 19,889.09 and 8,040.18

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Solution

The fourth proportional to 14,412.99, 19,889.09 and 8,040.18 is: 11,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.99 : 19,889.09 = 8,040.18 : x
  2. Step 2: Convert to fraction form
    14,412.99/19,889.09 = 8,040.18/x
  3. Step 3: Cross multiply
    14,412.99x = 19,889.09 × 8,040.18
  4. Step 4: Simplify right side
    14,412.99x = 159,911,723.99
  5. Step 5: Solve for x
    x = 159,911,723.99/14,412.99
  6. Step 6: Final answer
    x = 11,094.98

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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.