Home / 15,475.50-21,370.38-14,646.84

Finding the Fourth Proportional to 15,475.50, 21,370.38 and 14,646.84

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Solution

The fourth proportional to 15,475.50, 21,370.38 and 14,646.84 is: 20,226.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.50 : 21,370.38 = 14,646.84 : x
  2. Step 2: Convert to fraction form
    15,475.50/21,370.38 = 14,646.84/x
  3. Step 3: Cross multiply
    15,475.50x = 21,370.38 × 14,646.84
  4. Step 4: Simplify right side
    15,475.50x = 313,008,536.60
  5. Step 5: Solve for x
    x = 313,008,536.60/15,475.50
  6. Step 6: Final answer
    x = 20,226.07

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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.