Home / 14,980.44-20,673.51-9,315.84

Finding the Fourth Proportional to 14,980.44, 20,673.51 and 9,315.84

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Solution

The fourth proportional to 14,980.44, 20,673.51 and 9,315.84 is: 12,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.44 : 20,673.51 = 9,315.84 : x
  2. Step 2: Convert to fraction form
    14,980.44/20,673.51 = 9,315.84/x
  3. Step 3: Cross multiply
    14,980.44x = 20,673.51 × 9,315.84
  4. Step 4: Simplify right side
    14,980.44x = 192,591,111.40
  5. Step 5: Solve for x
    x = 192,591,111.40/14,980.44
  6. Step 6: Final answer
    x = 12,856.17

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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.