Home / 14,579.60-21,826.20-13,725.20

Finding the Fourth Proportional to 14,579.60, 21,826.20 and 13,725.20

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Solution

The fourth proportional to 14,579.60, 21,826.20 and 13,725.20 is: 20,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.60 : 21,826.20 = 13,725.20 : x
  2. Step 2: Convert to fraction form
    14,579.60/21,826.20 = 13,725.20/x
  3. Step 3: Cross multiply
    14,579.60x = 21,826.20 × 13,725.20
  4. Step 4: Simplify right side
    14,579.60x = 299,568,960.24
  5. Step 5: Solve for x
    x = 299,568,960.24/14,579.60
  6. Step 6: Final answer
    x = 20,547.13

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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.