Home / 18,549.77-25,598.30-13,253.58

Finding the Fourth Proportional to 18,549.77, 25,598.30 and 13,253.58

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Solution

The fourth proportional to 18,549.77, 25,598.30 and 13,253.58 is: 18,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.77 : 25,598.30 = 13,253.58 : x
  2. Step 2: Convert to fraction form
    18,549.77/25,598.30 = 13,253.58/x
  3. Step 3: Cross multiply
    18,549.77x = 25,598.30 × 13,253.58
  4. Step 4: Simplify right side
    18,549.77x = 339,269,050.65
  5. Step 5: Solve for x
    x = 339,269,050.65/18,549.77
  6. Step 6: Final answer
    x = 18,289.67

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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.