Home / 18,607.04-25,678.32-10,648.64

Finding the Fourth Proportional to 18,607.04, 25,678.32 and 10,648.64

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Solution

The fourth proportional to 18,607.04, 25,678.32 and 10,648.64 is: 14,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.04 : 25,678.32 = 10,648.64 : x
  2. Step 2: Convert to fraction form
    18,607.04/25,678.32 = 10,648.64/x
  3. Step 3: Cross multiply
    18,607.04x = 25,678.32 × 10,648.64
  4. Step 4: Simplify right side
    18,607.04x = 273,439,185.48
  5. Step 5: Solve for x
    x = 273,439,185.48/18,607.04
  6. Step 6: Final answer
    x = 14,695.47

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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.