Home / 14,362.87-21,536.20-5,587.74

Finding the Fourth Proportional to 14,362.87, 21,536.20 and 5,587.74

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Solution

The fourth proportional to 14,362.87, 21,536.20 and 5,587.74 is: 8,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.87 : 21,536.20 = 5,587.74 : x
  2. Step 2: Convert to fraction form
    14,362.87/21,536.20 = 5,587.74/x
  3. Step 3: Cross multiply
    14,362.87x = 21,536.20 × 5,587.74
  4. Step 4: Simplify right side
    14,362.87x = 120,338,686.19
  5. Step 5: Solve for x
    x = 120,338,686.19/14,362.87
  6. Step 6: Final answer
    x = 8,378.46

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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.