Home / 12,666.58-19,000.14-4,346.53

Finding the Fourth Proportional to 12,666.58, 19,000.14 and 4,346.53

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Solution

The fourth proportional to 12,666.58, 19,000.14 and 4,346.53 is: 6,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.58 : 19,000.14 = 4,346.53 : x
  2. Step 2: Convert to fraction form
    12,666.58/19,000.14 = 4,346.53/x
  3. Step 3: Cross multiply
    12,666.58x = 19,000.14 × 4,346.53
  4. Step 4: Simplify right side
    12,666.58x = 82,584,678.51
  5. Step 5: Solve for x
    x = 82,584,678.51/12,666.58
  6. Step 6: Final answer
    x = 6,519.89

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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.