Home / 12,901.48-19,354.14-4,580.80

Finding the Fourth Proportional to 12,901.48, 19,354.14 and 4,580.80

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Solution

The fourth proportional to 12,901.48, 19,354.14 and 4,580.80 is: 6,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.48 : 19,354.14 = 4,580.80 : x
  2. Step 2: Convert to fraction form
    12,901.48/19,354.14 = 4,580.80/x
  3. Step 3: Cross multiply
    12,901.48x = 19,354.14 × 4,580.80
  4. Step 4: Simplify right side
    12,901.48x = 88,657,396.13
  5. Step 5: Solve for x
    x = 88,657,396.13/12,901.48
  6. Step 6: Final answer
    x = 6,871.88

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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.