Home / 13,147.02-19,633.86-11,695.50

Finding the Fourth Proportional to 13,147.02, 19,633.86 and 11,695.50

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Solution

The fourth proportional to 13,147.02, 19,633.86 and 11,695.50 is: 17,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.02 : 19,633.86 = 11,695.50 : x
  2. Step 2: Convert to fraction form
    13,147.02/19,633.86 = 11,695.50/x
  3. Step 3: Cross multiply
    13,147.02x = 19,633.86 × 11,695.50
  4. Step 4: Simplify right side
    13,147.02x = 229,627,809.63
  5. Step 5: Solve for x
    x = 229,627,809.63/13,147.02
  6. Step 6: Final answer
    x = 17,466.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.