Home / 16,823.48-25,235.28-7,578.68

Finding the Fourth Proportional to 16,823.48, 25,235.28 and 7,578.68

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Solution

The fourth proportional to 16,823.48, 25,235.28 and 7,578.68 is: 11,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.48 : 25,235.28 = 7,578.68 : x
  2. Step 2: Convert to fraction form
    16,823.48/25,235.28 = 7,578.68/x
  3. Step 3: Cross multiply
    16,823.48x = 25,235.28 × 7,578.68
  4. Step 4: Simplify right side
    16,823.48x = 191,250,111.83
  5. Step 5: Solve for x
    x = 191,250,111.83/16,823.48
  6. Step 6: Final answer
    x = 11,368.05

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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.