Home / 13,364.48-18,444.93-7,698.12

Finding the Fourth Proportional to 13,364.48, 18,444.93 and 7,698.12

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Solution

The fourth proportional to 13,364.48, 18,444.93 and 7,698.12 is: 10,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.48 : 18,444.93 = 7,698.12 : x
  2. Step 2: Convert to fraction form
    13,364.48/18,444.93 = 7,698.12/x
  3. Step 3: Cross multiply
    13,364.48x = 18,444.93 × 7,698.12
  4. Step 4: Simplify right side
    13,364.48x = 141,991,255.66
  5. Step 5: Solve for x
    x = 141,991,255.66/13,364.48
  6. Step 6: Final answer
    x = 10,624.53

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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.