Home / 15,867.99-23,778.53-14,980.43

Finding the Fourth Proportional to 15,867.99, 23,778.53 and 14,980.43

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Solution

The fourth proportional to 15,867.99, 23,778.53 and 14,980.43 is: 22,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,867.99 : 23,778.53 = 14,980.43 : x
  2. Step 2: Convert to fraction form
    15,867.99/23,778.53 = 14,980.43/x
  3. Step 3: Cross multiply
    15,867.99x = 23,778.53 × 14,980.43
  4. Step 4: Simplify right side
    15,867.99x = 356,212,588.71
  5. Step 5: Solve for x
    x = 356,212,588.71/15,867.99
  6. Step 6: Final answer
    x = 22,448.50

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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.