Home / 27,145.26-40,714.11-15,125.67

Finding the Fourth Proportional to 27,145.26, 40,714.11 and 15,125.67

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Solution

The fourth proportional to 27,145.26, 40,714.11 and 15,125.67 is: 22,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.26 : 40,714.11 = 15,125.67 : x
  2. Step 2: Convert to fraction form
    27,145.26/40,714.11 = 15,125.67/x
  3. Step 3: Cross multiply
    27,145.26x = 40,714.11 × 15,125.67
  4. Step 4: Simplify right side
    27,145.26x = 615,828,192.20
  5. Step 5: Solve for x
    x = 615,828,192.20/27,145.26
  6. Step 6: Final answer
    x = 22,686.40

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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.