Home / 15,497.28-21,392.80-10,468.32

Finding the Fourth Proportional to 15,497.28, 21,392.80 and 10,468.32

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Solution

The fourth proportional to 15,497.28, 21,392.80 and 10,468.32 is: 14,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497.28 : 21,392.80 = 10,468.32 : x
  2. Step 2: Convert to fraction form
    15,497.28/21,392.80 = 10,468.32/x
  3. Step 3: Cross multiply
    15,497.28x = 21,392.80 × 10,468.32
  4. Step 4: Simplify right side
    15,497.28x = 223,946,676.10
  5. Step 5: Solve for x
    x = 223,946,676.10/15,497.28
  6. Step 6: Final answer
    x = 14,450.71

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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.