Home / 13,655.17-18,816.41-10,468.53

Finding the Fourth Proportional to 13,655.17, 18,816.41 and 10,468.53

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Solution

The fourth proportional to 13,655.17, 18,816.41 and 10,468.53 is: 14,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.17 : 18,816.41 = 10,468.53 : x
  2. Step 2: Convert to fraction form
    13,655.17/18,816.41 = 10,468.53/x
  3. Step 3: Cross multiply
    13,655.17x = 18,816.41 × 10,468.53
  4. Step 4: Simplify right side
    13,655.17x = 196,980,152.58
  5. Step 5: Solve for x
    x = 196,980,152.58/13,655.17
  6. Step 6: Final answer
    x = 14,425.32

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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.