Home / 14,809.69-20,417.39-9,495.28

Finding the Fourth Proportional to 14,809.69, 20,417.39 and 9,495.28

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Solution

The fourth proportional to 14,809.69, 20,417.39 and 9,495.28 is: 13,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,809.69 : 20,417.39 = 9,495.28 : x
  2. Step 2: Convert to fraction form
    14,809.69/20,417.39 = 9,495.28/x
  3. Step 3: Cross multiply
    14,809.69x = 20,417.39 × 9,495.28
  4. Step 4: Simplify right side
    14,809.69x = 193,868,760.43
  5. Step 5: Solve for x
    x = 193,868,760.43/14,809.69
  6. Step 6: Final answer
    x = 13,090.67

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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.