Home / 12,800.34-19,200.51-4,036.14

Finding the Fourth Proportional to 12,800.34, 19,200.51 and 4,036.14

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Solution

The fourth proportional to 12,800.34, 19,200.51 and 4,036.14 is: 6,054.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,800.34 : 19,200.51 = 4,036.14 : x
  2. Step 2: Convert to fraction form
    12,800.34/19,200.51 = 4,036.14/x
  3. Step 3: Cross multiply
    12,800.34x = 19,200.51 × 4,036.14
  4. Step 4: Simplify right side
    12,800.34x = 77,495,946.43
  5. Step 5: Solve for x
    x = 77,495,946.43/12,800.34
  6. Step 6: Final answer
    x = 6,054.21

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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.