Home / 13,271.48-19,884.64-6,599.12

Finding the Fourth Proportional to 13,271.48, 19,884.64 and 6,599.12

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Solution

The fourth proportional to 13,271.48, 19,884.64 and 6,599.12 is: 9,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.48 : 19,884.64 = 6,599.12 : x
  2. Step 2: Convert to fraction form
    13,271.48/19,884.64 = 6,599.12/x
  3. Step 3: Cross multiply
    13,271.48x = 19,884.64 × 6,599.12
  4. Step 4: Simplify right side
    13,271.48x = 131,221,125.52
  5. Step 5: Solve for x
    x = 131,221,125.52/13,271.48
  6. Step 6: Final answer
    x = 9,887.45

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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.