Home / 13,700.46-20,539.08-5,802.66

Finding the Fourth Proportional to 13,700.46, 20,539.08 and 5,802.66

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Solution

The fourth proportional to 13,700.46, 20,539.08 and 5,802.66 is: 8,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.46 : 20,539.08 = 5,802.66 : x
  2. Step 2: Convert to fraction form
    13,700.46/20,539.08 = 5,802.66/x
  3. Step 3: Cross multiply
    13,700.46x = 20,539.08 × 5,802.66
  4. Step 4: Simplify right side
    13,700.46x = 119,181,297.95
  5. Step 5: Solve for x
    x = 119,181,297.95/13,700.46
  6. Step 6: Final answer
    x = 8,699.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.