Home / 30,925.50-46,394.56-13,156.12

Finding the Fourth Proportional to 30,925.50, 46,394.56 and 13,156.12

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Solution

The fourth proportional to 30,925.50, 46,394.56 and 13,156.12 is: 19,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925.50 : 46,394.56 = 13,156.12 : x
  2. Step 2: Convert to fraction form
    30,925.50/46,394.56 = 13,156.12/x
  3. Step 3: Cross multiply
    30,925.50x = 46,394.56 × 13,156.12
  4. Step 4: Simplify right side
    30,925.50x = 610,372,398.71
  5. Step 5: Solve for x
    x = 610,372,398.71/30,925.50
  6. Step 6: Final answer
    x = 19,736.86

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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.