Home / 13,670.14-20,501.54-5,877.12

Finding the Fourth Proportional to 13,670.14, 20,501.54 and 5,877.12

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Solution

The fourth proportional to 13,670.14, 20,501.54 and 5,877.12 is: 8,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670.14 : 20,501.54 = 5,877.12 : x
  2. Step 2: Convert to fraction form
    13,670.14/20,501.54 = 5,877.12/x
  3. Step 3: Cross multiply
    13,670.14x = 20,501.54 × 5,877.12
  4. Step 4: Simplify right side
    13,670.14x = 120,490,010.76
  5. Step 5: Solve for x
    x = 120,490,010.76/13,670.14
  6. Step 6: Final answer
    x = 8,814.10

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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.