Home / 13,464.34-18,555.52-9,680.94

Finding the Fourth Proportional to 13,464.34, 18,555.52 and 9,680.94

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Solution

The fourth proportional to 13,464.34, 18,555.52 and 9,680.94 is: 13,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.34 : 18,555.52 = 9,680.94 : x
  2. Step 2: Convert to fraction form
    13,464.34/18,555.52 = 9,680.94/x
  3. Step 3: Cross multiply
    13,464.34x = 18,555.52 × 9,680.94
  4. Step 4: Simplify right side
    13,464.34x = 179,634,875.79
  5. Step 5: Solve for x
    x = 179,634,875.79/13,464.34
  6. Step 6: Final answer
    x = 13,341.53

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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.