Home / 13,064.28-18,032.40-10,712.04

Finding the Fourth Proportional to 13,064.28, 18,032.40 and 10,712.04

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Solution

The fourth proportional to 13,064.28, 18,032.40 and 10,712.04 is: 14,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.28 : 18,032.40 = 10,712.04 : x
  2. Step 2: Convert to fraction form
    13,064.28/18,032.40 = 10,712.04/x
  3. Step 3: Cross multiply
    13,064.28x = 18,032.40 × 10,712.04
  4. Step 4: Simplify right side
    13,064.28x = 193,163,790.10
  5. Step 5: Solve for x
    x = 193,163,790.10/13,064.28
  6. Step 6: Final answer
    x = 14,785.64

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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.