Home / 14,750.47-20,353.36-8,461.63

Finding the Fourth Proportional to 14,750.47, 20,353.36 and 8,461.63

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Solution

The fourth proportional to 14,750.47, 20,353.36 and 8,461.63 is: 11,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.47 : 20,353.36 = 8,461.63 : x
  2. Step 2: Convert to fraction form
    14,750.47/20,353.36 = 8,461.63/x
  3. Step 3: Cross multiply
    14,750.47x = 20,353.36 × 8,461.63
  4. Step 4: Simplify right side
    14,750.47x = 172,222,457.50
  5. Step 5: Solve for x
    x = 172,222,457.50/14,750.47
  6. Step 6: Final answer
    x = 11,675.73

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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.