Home / 18,730.51-25,848.88-10,772.74

Finding the Fourth Proportional to 18,730.51, 25,848.88 and 10,772.74

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Solution

The fourth proportional to 18,730.51, 25,848.88 and 10,772.74 is: 14,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.51 : 25,848.88 = 10,772.74 : x
  2. Step 2: Convert to fraction form
    18,730.51/25,848.88 = 10,772.74/x
  3. Step 3: Cross multiply
    18,730.51x = 25,848.88 × 10,772.74
  4. Step 4: Simplify right side
    18,730.51x = 278,463,263.53
  5. Step 5: Solve for x
    x = 278,463,263.53/18,730.51
  6. Step 6: Final answer
    x = 14,866.83

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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.