Home / 23,031.08-31,782.35-15,073.14

Finding the Fourth Proportional to 23,031.08, 31,782.35 and 15,073.14

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Solution

The fourth proportional to 23,031.08, 31,782.35 and 15,073.14 is: 20,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,031.08 : 31,782.35 = 15,073.14 : x
  2. Step 2: Convert to fraction form
    23,031.08/31,782.35 = 15,073.14/x
  3. Step 3: Cross multiply
    23,031.08x = 31,782.35 × 15,073.14
  4. Step 4: Simplify right side
    23,031.08x = 479,059,746.78
  5. Step 5: Solve for x
    x = 479,059,746.78/23,031.08
  6. Step 6: Final answer
    x = 20,800.57

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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.