Home / 25,842.62-35,666.12-15,768.93

Finding the Fourth Proportional to 25,842.62, 35,666.12 and 15,768.93

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Solution

The fourth proportional to 25,842.62, 35,666.12 and 15,768.93 is: 21,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,842.62 : 35,666.12 = 15,768.93 : x
  2. Step 2: Convert to fraction form
    25,842.62/35,666.12 = 15,768.93/x
  3. Step 3: Cross multiply
    25,842.62x = 35,666.12 × 15,768.93
  4. Step 4: Simplify right side
    25,842.62x = 562,416,522.20
  5. Step 5: Solve for x
    x = 562,416,522.20/25,842.62
  6. Step 6: Final answer
    x = 21,763.14

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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.