Home / 13,313.04-18,354.24-9,541.68

Finding the Fourth Proportional to 13,313.04, 18,354.24 and 9,541.68

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Solution

The fourth proportional to 13,313.04, 18,354.24 and 9,541.68 is: 13,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.04 : 18,354.24 = 9,541.68 : x
  2. Step 2: Convert to fraction form
    13,313.04/18,354.24 = 9,541.68/x
  3. Step 3: Cross multiply
    13,313.04x = 18,354.24 × 9,541.68
  4. Step 4: Simplify right side
    13,313.04x = 175,130,284.72
  5. Step 5: Solve for x
    x = 175,130,284.72/13,313.04
  6. Step 6: Final answer
    x = 13,154.79

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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.