Home / 34,154.99-47,125.85-20,725.93

Finding the Fourth Proportional to 34,154.99, 47,125.85 and 20,725.93

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Solution

The fourth proportional to 34,154.99, 47,125.85 and 20,725.93 is: 28,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,154.99 : 47,125.85 = 20,725.93 : x
  2. Step 2: Convert to fraction form
    34,154.99/47,125.85 = 20,725.93/x
  3. Step 3: Cross multiply
    34,154.99x = 47,125.85 × 20,725.93
  4. Step 4: Simplify right side
    34,154.99x = 976,727,068.29
  5. Step 5: Solve for x
    x = 976,727,068.29/34,154.99
  6. Step 6: Final answer
    x = 28,596.91

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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.