Home / 13,130.08-19,702.48-6,973.92

Finding the Fourth Proportional to 13,130.08, 19,702.48 and 6,973.92

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Solution

The fourth proportional to 13,130.08, 19,702.48 and 6,973.92 is: 10,464.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.08 : 19,702.48 = 6,973.92 : x
  2. Step 2: Convert to fraction form
    13,130.08/19,702.48 = 6,973.92/x
  3. Step 3: Cross multiply
    13,130.08x = 19,702.48 × 6,973.92
  4. Step 4: Simplify right side
    13,130.08x = 137,403,519.32
  5. Step 5: Solve for x
    x = 137,403,519.32/13,130.08
  6. Step 6: Final answer
    x = 10,464.79

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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.