Home / 17,154.42-25,686.48-13,804.80

Finding the Fourth Proportional to 17,154.42, 25,686.48 and 13,804.80

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Solution

The fourth proportional to 17,154.42, 25,686.48 and 13,804.80 is: 20,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.42 : 25,686.48 = 13,804.80 : x
  2. Step 2: Convert to fraction form
    17,154.42/25,686.48 = 13,804.80/x
  3. Step 3: Cross multiply
    17,154.42x = 25,686.48 × 13,804.80
  4. Step 4: Simplify right side
    17,154.42x = 354,596,719.10
  5. Step 5: Solve for x
    x = 354,596,719.10/17,154.42
  6. Step 6: Final answer
    x = 20,670.87

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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.