Home / 18,808.23-25,953.96-10,308.99

Finding the Fourth Proportional to 18,808.23, 25,953.96 and 10,308.99

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Solution

The fourth proportional to 18,808.23, 25,953.96 and 10,308.99 is: 14,225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,808.23 : 25,953.96 = 10,308.99 : x
  2. Step 2: Convert to fraction form
    18,808.23/25,953.96 = 10,308.99/x
  3. Step 3: Cross multiply
    18,808.23x = 25,953.96 × 10,308.99
  4. Step 4: Simplify right side
    18,808.23x = 267,559,114.10
  5. Step 5: Solve for x
    x = 267,559,114.10/18,808.23
  6. Step 6: Final answer
    x = 14,225.64

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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.