Home / 14,742.10-20,309.49-10,258.15

Finding the Fourth Proportional to 14,742.10, 20,309.49 and 10,258.15

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Solution

The fourth proportional to 14,742.10, 20,309.49 and 10,258.15 is: 14,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.10 : 20,309.49 = 10,258.15 : x
  2. Step 2: Convert to fraction form
    14,742.10/20,309.49 = 10,258.15/x
  3. Step 3: Cross multiply
    14,742.10x = 20,309.49 × 10,258.15
  4. Step 4: Simplify right side
    14,742.10x = 208,337,794.84
  5. Step 5: Solve for x
    x = 208,337,794.84/14,742.10
  6. Step 6: Final answer
    x = 14,132.17

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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.