Home / 18,588.34-25,509.62-18,457.12

Finding the Fourth Proportional to 18,588.34, 25,509.62 and 18,457.12

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Solution

The fourth proportional to 18,588.34, 25,509.62 and 18,457.12 is: 25,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.34 : 25,509.62 = 18,457.12 : x
  2. Step 2: Convert to fraction form
    18,588.34/25,509.62 = 18,457.12/x
  3. Step 3: Cross multiply
    18,588.34x = 25,509.62 × 18,457.12
  4. Step 4: Simplify right side
    18,588.34x = 470,834,117.49
  5. Step 5: Solve for x
    x = 470,834,117.49/18,588.34
  6. Step 6: Final answer
    x = 25,329.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.