Home / 15,723.45-23,581.53-6,953.58

Finding the Fourth Proportional to 15,723.45, 23,581.53 and 6,953.58

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Solution

The fourth proportional to 15,723.45, 23,581.53 and 6,953.58 is: 10,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,723.45 : 23,581.53 = 6,953.58 : x
  2. Step 2: Convert to fraction form
    15,723.45/23,581.53 = 6,953.58/x
  3. Step 3: Cross multiply
    15,723.45x = 23,581.53 × 6,953.58
  4. Step 4: Simplify right side
    15,723.45x = 163,976,055.38
  5. Step 5: Solve for x
    x = 163,976,055.38/15,723.45
  6. Step 6: Final answer
    x = 10,428.76

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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.