Home / 13,913.86-19,219.53-10,370.92

Finding the Fourth Proportional to 13,913.86, 19,219.53 and 10,370.92

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Solution

The fourth proportional to 13,913.86, 19,219.53 and 10,370.92 is: 14,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.86 : 19,219.53 = 10,370.92 : x
  2. Step 2: Convert to fraction form
    13,913.86/19,219.53 = 10,370.92/x
  3. Step 3: Cross multiply
    13,913.86x = 19,219.53 × 10,370.92
  4. Step 4: Simplify right side
    13,913.86x = 199,324,208.07
  5. Step 5: Solve for x
    x = 199,324,208.07/13,913.86
  6. Step 6: Final answer
    x = 14,325.59

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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.