Home / 17,666.08-24,378.99-9,708.21

Finding the Fourth Proportional to 17,666.08, 24,378.99 and 9,708.21

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Solution

The fourth proportional to 17,666.08, 24,378.99 and 9,708.21 is: 13,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.08 : 24,378.99 = 9,708.21 : x
  2. Step 2: Convert to fraction form
    17,666.08/24,378.99 = 9,708.21/x
  3. Step 3: Cross multiply
    17,666.08x = 24,378.99 × 9,708.21
  4. Step 4: Simplify right side
    17,666.08x = 236,676,354.51
  5. Step 5: Solve for x
    x = 236,676,354.51/17,666.08
  6. Step 6: Final answer
    x = 13,397.22

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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.