Home / 15,090.42-22,606.20-9,880.50

Finding the Fourth Proportional to 15,090.42, 22,606.20 and 9,880.50

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Solution

The fourth proportional to 15,090.42, 22,606.20 and 9,880.50 is: 14,801.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.42 : 22,606.20 = 9,880.50 : x
  2. Step 2: Convert to fraction form
    15,090.42/22,606.20 = 9,880.50/x
  3. Step 3: Cross multiply
    15,090.42x = 22,606.20 × 9,880.50
  4. Step 4: Simplify right side
    15,090.42x = 223,360,559.10
  5. Step 5: Solve for x
    x = 223,360,559.10/15,090.42
  6. Step 6: Final answer
    x = 14,801.48

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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.