Home / 13,458.56-18,533.61-10,469.35

Finding the Fourth Proportional to 13,458.56, 18,533.61 and 10,469.35

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Solution

The fourth proportional to 13,458.56, 18,533.61 and 10,469.35 is: 14,417.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.56 : 18,533.61 = 10,469.35 : x
  2. Step 2: Convert to fraction form
    13,458.56/18,533.61 = 10,469.35/x
  3. Step 3: Cross multiply
    13,458.56x = 18,533.61 × 10,469.35
  4. Step 4: Simplify right side
    13,458.56x = 194,034,873.02
  5. Step 5: Solve for x
    x = 194,034,873.02/13,458.56
  6. Step 6: Final answer
    x = 14,417.21

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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.