Home / 18,449.17-25,459.77-10,065.67

Finding the Fourth Proportional to 18,449.17, 25,459.77 and 10,065.67

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Solution

The fourth proportional to 18,449.17, 25,459.77 and 10,065.67 is: 13,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.17 : 25,459.77 = 10,065.67 : x
  2. Step 2: Convert to fraction form
    18,449.17/25,459.77 = 10,065.67/x
  3. Step 3: Cross multiply
    18,449.17x = 25,459.77 × 10,065.67
  4. Step 4: Simplify right side
    18,449.17x = 256,269,643.10
  5. Step 5: Solve for x
    x = 256,269,643.10/18,449.17
  6. Step 6: Final answer
    x = 13,890.58

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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.