Home / 14,071.66-19,415.50-8,762.72

Finding the Fourth Proportional to 14,071.66, 19,415.50 and 8,762.72

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Solution

The fourth proportional to 14,071.66, 19,415.50 and 8,762.72 is: 12,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.66 : 19,415.50 = 8,762.72 : x
  2. Step 2: Convert to fraction form
    14,071.66/19,415.50 = 8,762.72/x
  3. Step 3: Cross multiply
    14,071.66x = 19,415.50 × 8,762.72
  4. Step 4: Simplify right side
    14,071.66x = 170,132,471.18
  5. Step 5: Solve for x
    x = 170,132,471.18/14,071.66
  6. Step 6: Final answer
    x = 12,090.44

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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.