Home / 13,718.02-20,596.47-13,091.62

Finding the Fourth Proportional to 13,718.02, 20,596.47 and 13,091.62

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Solution

The fourth proportional to 13,718.02, 20,596.47 and 13,091.62 is: 19,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.02 : 20,596.47 = 13,091.62 : x
  2. Step 2: Convert to fraction form
    13,718.02/20,596.47 = 13,091.62/x
  3. Step 3: Cross multiply
    13,718.02x = 20,596.47 × 13,091.62
  4. Step 4: Simplify right side
    13,718.02x = 269,641,158.58
  5. Step 5: Solve for x
    x = 269,641,158.58/13,718.02
  6. Step 6: Final answer
    x = 19,655.98

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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.