Home / 46,907.78-70,346.96-13,630.15

Finding the Fourth Proportional to 46,907.78, 70,346.96 and 13,630.15

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Solution

The fourth proportional to 46,907.78, 70,346.96 and 13,630.15 is: 20,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,907.78 : 70,346.96 = 13,630.15 : x
  2. Step 2: Convert to fraction form
    46,907.78/70,346.96 = 13,630.15/x
  3. Step 3: Cross multiply
    46,907.78x = 70,346.96 × 13,630.15
  4. Step 4: Simplify right side
    46,907.78x = 958,839,196.96
  5. Step 5: Solve for x
    x = 958,839,196.96/46,907.78
  6. Step 6: Final answer
    x = 20,440.94

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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.