Home / 13,341.08-19,962.34-10,979.12

Finding the Fourth Proportional to 13,341.08, 19,962.34 and 10,979.12

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Solution

The fourth proportional to 13,341.08, 19,962.34 and 10,979.12 is: 16,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.08 : 19,962.34 = 10,979.12 : x
  2. Step 2: Convert to fraction form
    13,341.08/19,962.34 = 10,979.12/x
  3. Step 3: Cross multiply
    13,341.08x = 19,962.34 × 10,979.12
  4. Step 4: Simplify right side
    13,341.08x = 219,168,926.34
  5. Step 5: Solve for x
    x = 219,168,926.34/13,341.08
  6. Step 6: Final answer
    x = 16,428.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.