Home / 25,733.92-35,513.47-15,124.12

Finding the Fourth Proportional to 25,733.92, 35,513.47 and 15,124.12

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Solution

The fourth proportional to 25,733.92, 35,513.47 and 15,124.12 is: 20,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,733.92 : 35,513.47 = 15,124.12 : x
  2. Step 2: Convert to fraction form
    25,733.92/35,513.47 = 15,124.12/x
  3. Step 3: Cross multiply
    25,733.92x = 35,513.47 × 15,124.12
  4. Step 4: Simplify right side
    25,733.92x = 537,109,981.90
  5. Step 5: Solve for x
    x = 537,109,981.90/25,733.92
  6. Step 6: Final answer
    x = 20,871.67

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Double scale
Find fourth proportional to 25,734.92, 35,514.85 and 15,125.12
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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.