Home / 12,501.63-18,755.78-4,605.14

Finding the Fourth Proportional to 12,501.63, 18,755.78 and 4,605.14

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Solution

The fourth proportional to 12,501.63, 18,755.78 and 4,605.14 is: 6,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.63 : 18,755.78 = 4,605.14 : x
  2. Step 2: Convert to fraction form
    12,501.63/18,755.78 = 4,605.14/x
  3. Step 3: Cross multiply
    12,501.63x = 18,755.78 × 4,605.14
  4. Step 4: Simplify right side
    12,501.63x = 86,372,875.90
  5. Step 5: Solve for x
    x = 86,372,875.90/12,501.63
  6. Step 6: Final answer
    x = 6,908.93

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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.