Home / 16,581.36-22,880.64-9,864.96

Finding the Fourth Proportional to 16,581.36, 22,880.64 and 9,864.96

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Solution

The fourth proportional to 16,581.36, 22,880.64 and 9,864.96 is: 13,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.36 : 22,880.64 = 9,864.96 : x
  2. Step 2: Convert to fraction form
    16,581.36/22,880.64 = 9,864.96/x
  3. Step 3: Cross multiply
    16,581.36x = 22,880.64 × 9,864.96
  4. Step 4: Simplify right side
    16,581.36x = 225,716,598.37
  5. Step 5: Solve for x
    x = 225,716,598.37/16,581.36
  6. Step 6: Final answer
    x = 13,612.67

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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.