Home / 25,740.19-35,522.85-15,667.03

Finding the Fourth Proportional to 25,740.19, 35,522.85 and 15,667.03

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Solution

The fourth proportional to 25,740.19, 35,522.85 and 15,667.03 is: 21,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.19 : 35,522.85 = 15,667.03 : x
  2. Step 2: Convert to fraction form
    25,740.19/35,522.85 = 15,667.03/x
  3. Step 3: Cross multiply
    25,740.19x = 35,522.85 × 15,667.03
  4. Step 4: Simplify right side
    25,740.19x = 556,537,556.64
  5. Step 5: Solve for x
    x = 556,537,556.64/25,740.19
  6. Step 6: Final answer
    x = 21,621.35

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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.