Home / 13,417.02-18,516.42-7,753.68

Finding the Fourth Proportional to 13,417.02, 18,516.42 and 7,753.68

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Solution

The fourth proportional to 13,417.02, 18,516.42 and 7,753.68 is: 10,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.02 : 18,516.42 = 7,753.68 : x
  2. Step 2: Convert to fraction form
    13,417.02/18,516.42 = 7,753.68/x
  3. Step 3: Cross multiply
    13,417.02x = 18,516.42 × 7,753.68
  4. Step 4: Simplify right side
    13,417.02x = 143,570,395.43
  5. Step 5: Solve for x
    x = 143,570,395.43/13,417.02
  6. Step 6: Final answer
    x = 10,700.62

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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.