Home / 23,988.96-33,106.07-13,378.55

Finding the Fourth Proportional to 23,988.96, 33,106.07 and 13,378.55

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Solution

The fourth proportional to 23,988.96, 33,106.07 and 13,378.55 is: 18,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,988.96 : 33,106.07 = 13,378.55 : x
  2. Step 2: Convert to fraction form
    23,988.96/33,106.07 = 13,378.55/x
  3. Step 3: Cross multiply
    23,988.96x = 33,106.07 × 13,378.55
  4. Step 4: Simplify right side
    23,988.96x = 442,911,080.71
  5. Step 5: Solve for x
    x = 442,911,080.71/23,988.96
  6. Step 6: Final answer
    x = 18,463.12

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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.