Home / 30,765.08-46,111.61-14,126.74

Finding the Fourth Proportional to 30,765.08, 46,111.61 and 14,126.74

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Solution

The fourth proportional to 30,765.08, 46,111.61 and 14,126.74 is: 21,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,765.08 : 46,111.61 = 14,126.74 : x
  2. Step 2: Convert to fraction form
    30,765.08/46,111.61 = 14,126.74/x
  3. Step 3: Cross multiply
    30,765.08x = 46,111.61 × 14,126.74
  4. Step 4: Simplify right side
    30,765.08x = 651,406,645.49
  5. Step 5: Solve for x
    x = 651,406,645.49/30,765.08
  6. Step 6: Final answer
    x = 21,173.57

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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.