Home / 14,588.51-20,132.15-8,300.88

Finding the Fourth Proportional to 14,588.51, 20,132.15 and 8,300.88

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Solution

The fourth proportional to 14,588.51, 20,132.15 and 8,300.88 is: 11,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.51 : 20,132.15 = 8,300.88 : x
  2. Step 2: Convert to fraction form
    14,588.51/20,132.15 = 8,300.88/x
  3. Step 3: Cross multiply
    14,588.51x = 20,132.15 × 8,300.88
  4. Step 4: Simplify right side
    14,588.51x = 167,114,519.79
  5. Step 5: Solve for x
    x = 167,114,519.79/14,588.51
  6. Step 6: Final answer
    x = 11,455.22

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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.