Home / 14,880.45-20,530.89-10,632.81

Finding the Fourth Proportional to 14,880.45, 20,530.89 and 10,632.81

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Solution

The fourth proportional to 14,880.45, 20,530.89 and 10,632.81 is: 14,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.45 : 20,530.89 = 10,632.81 : x
  2. Step 2: Convert to fraction form
    14,880.45/20,530.89 = 10,632.81/x
  3. Step 3: Cross multiply
    14,880.45x = 20,530.89 × 10,632.81
  4. Step 4: Simplify right side
    14,880.45x = 218,301,052.50
  5. Step 5: Solve for x
    x = 218,301,052.50/14,880.45
  6. Step 6: Final answer
    x = 14,670.33

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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.