Home / 14,730.51-20,326.61-8,357.43

Finding the Fourth Proportional to 14,730.51, 20,326.61 and 8,357.43

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Solution

The fourth proportional to 14,730.51, 20,326.61 and 8,357.43 is: 11,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.51 : 20,326.61 = 8,357.43 : x
  2. Step 2: Convert to fraction form
    14,730.51/20,326.61 = 8,357.43/x
  3. Step 3: Cross multiply
    14,730.51x = 20,326.61 × 8,357.43
  4. Step 4: Simplify right side
    14,730.51x = 169,878,220.21
  5. Step 5: Solve for x
    x = 169,878,220.21/14,730.51
  6. Step 6: Final answer
    x = 11,532.41

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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.