Home / 13,725.18-20,590.74-4,368.06

Finding the Fourth Proportional to 13,725.18, 20,590.74 and 4,368.06

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Solution

The fourth proportional to 13,725.18, 20,590.74 and 4,368.06 is: 6,553.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.18 : 20,590.74 = 4,368.06 : x
  2. Step 2: Convert to fraction form
    13,725.18/20,590.74 = 4,368.06/x
  3. Step 3: Cross multiply
    13,725.18x = 20,590.74 × 4,368.06
  4. Step 4: Simplify right side
    13,725.18x = 89,941,587.76
  5. Step 5: Solve for x
    x = 89,941,587.76/13,725.18
  6. Step 6: Final answer
    x = 6,553.04

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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.