Home / 14,707.51-20,276.49-9,983.59

Finding the Fourth Proportional to 14,707.51, 20,276.49 and 9,983.59

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Solution

The fourth proportional to 14,707.51, 20,276.49 and 9,983.59 is: 13,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.51 : 20,276.49 = 9,983.59 : x
  2. Step 2: Convert to fraction form
    14,707.51/20,276.49 = 9,983.59/x
  3. Step 3: Cross multiply
    14,707.51x = 20,276.49 × 9,983.59
  4. Step 4: Simplify right side
    14,707.51x = 202,432,162.80
  5. Step 5: Solve for x
    x = 202,432,162.80/14,707.51
  6. Step 6: Final answer
    x = 13,763.86

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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.