Home / 20,426.06-30,623.53-10,559.04

Finding the Fourth Proportional to 20,426.06, 30,623.53 and 10,559.04

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Solution

The fourth proportional to 20,426.06, 30,623.53 and 10,559.04 is: 15,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426.06 : 30,623.53 = 10,559.04 : x
  2. Step 2: Convert to fraction form
    20,426.06/30,623.53 = 10,559.04/x
  3. Step 3: Cross multiply
    20,426.06x = 30,623.53 × 10,559.04
  4. Step 4: Simplify right side
    20,426.06x = 323,355,025.42
  5. Step 5: Solve for x
    x = 323,355,025.42/20,426.06
  6. Step 6: Final answer
    x = 15,830.52

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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.