Home / 18,527.04-25,567.96-10,143.60

Finding the Fourth Proportional to 18,527.04, 25,567.96 and 10,143.60

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Solution

The fourth proportional to 18,527.04, 25,567.96 and 10,143.60 is: 13,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.04 : 25,567.96 = 10,143.60 : x
  2. Step 2: Convert to fraction form
    18,527.04/25,567.96 = 10,143.60/x
  3. Step 3: Cross multiply
    18,527.04x = 25,567.96 × 10,143.60
  4. Step 4: Simplify right side
    18,527.04x = 259,351,159.06
  5. Step 5: Solve for x
    x = 259,351,159.06/18,527.04
  6. Step 6: Final answer
    x = 13,998.52

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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.