Home / 19,241.60-26,555.20-10,860.16

Finding the Fourth Proportional to 19,241.60, 26,555.20 and 10,860.16

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Solution

The fourth proportional to 19,241.60, 26,555.20 and 10,860.16 is: 14,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.60 : 26,555.20 = 10,860.16 : x
  2. Step 2: Convert to fraction form
    19,241.60/26,555.20 = 10,860.16/x
  3. Step 3: Cross multiply
    19,241.60x = 26,555.20 × 10,860.16
  4. Step 4: Simplify right side
    19,241.60x = 288,393,720.83
  5. Step 5: Solve for x
    x = 288,393,720.83/19,241.60
  6. Step 6: Final answer
    x = 14,988.03

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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.