Home / 19,631.84-29,455.62-7,152.74

Finding the Fourth Proportional to 19,631.84, 29,455.62 and 7,152.74

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Solution

The fourth proportional to 19,631.84, 29,455.62 and 7,152.74 is: 10,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.84 : 29,455.62 = 7,152.74 : x
  2. Step 2: Convert to fraction form
    19,631.84/29,455.62 = 7,152.74/x
  3. Step 3: Cross multiply
    19,631.84x = 29,455.62 × 7,152.74
  4. Step 4: Simplify right side
    19,631.84x = 210,688,327.76
  5. Step 5: Solve for x
    x = 210,688,327.76/19,631.84
  6. Step 6: Final answer
    x = 10,731.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.