Home / 15,718.86-23,578.16-6,358.77

Finding the Fourth Proportional to 15,718.86, 23,578.16 and 6,358.77

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Solution

The fourth proportional to 15,718.86, 23,578.16 and 6,358.77 is: 9,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718.86 : 23,578.16 = 6,358.77 : x
  2. Step 2: Convert to fraction form
    15,718.86/23,578.16 = 6,358.77/x
  3. Step 3: Cross multiply
    15,718.86x = 23,578.16 × 6,358.77
  4. Step 4: Simplify right side
    15,718.86x = 149,928,064.67
  5. Step 5: Solve for x
    x = 149,928,064.67/15,718.86
  6. Step 6: Final answer
    x = 9,538.10

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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.