Home / 14,412.19-19,889.13-8,124.57

Finding the Fourth Proportional to 14,412.19, 19,889.13 and 8,124.57

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Solution

The fourth proportional to 14,412.19, 19,889.13 and 8,124.57 is: 11,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.19 : 19,889.13 = 8,124.57 : x
  2. Step 2: Convert to fraction form
    14,412.19/19,889.13 = 8,124.57/x
  3. Step 3: Cross multiply
    14,412.19x = 19,889.13 × 8,124.57
  4. Step 4: Simplify right side
    14,412.19x = 161,590,488.86
  5. Step 5: Solve for x
    x = 161,590,488.86/14,412.19
  6. Step 6: Final answer
    x = 11,212.07

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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.