Home / 13,997.34-19,316.75-8,030.07

Finding the Fourth Proportional to 13,997.34, 19,316.75 and 8,030.07

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Solution

The fourth proportional to 13,997.34, 19,316.75 and 8,030.07 is: 11,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.34 : 19,316.75 = 8,030.07 : x
  2. Step 2: Convert to fraction form
    13,997.34/19,316.75 = 8,030.07/x
  3. Step 3: Cross multiply
    13,997.34x = 19,316.75 × 8,030.07
  4. Step 4: Simplify right side
    13,997.34x = 155,114,814.52
  5. Step 5: Solve for x
    x = 155,114,814.52/13,997.34
  6. Step 6: Final answer
    x = 11,081.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.