Home / 15,744.42-21,725.04-9,030.33

Finding the Fourth Proportional to 15,744.42, 21,725.04 and 9,030.33

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Solution

The fourth proportional to 15,744.42, 21,725.04 and 9,030.33 is: 12,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744.42 : 21,725.04 = 9,030.33 : x
  2. Step 2: Convert to fraction form
    15,744.42/21,725.04 = 9,030.33/x
  3. Step 3: Cross multiply
    15,744.42x = 21,725.04 × 9,030.33
  4. Step 4: Simplify right side
    15,744.42x = 196,184,280.46
  5. Step 5: Solve for x
    x = 196,184,280.46/15,744.42
  6. Step 6: Final answer
    x = 12,460.56

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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.