Home / 19,888.53-29,831.23-8,795.58

Finding the Fourth Proportional to 19,888.53, 29,831.23 and 8,795.58

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Solution

The fourth proportional to 19,888.53, 29,831.23 and 8,795.58 is: 13,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.53 : 29,831.23 = 8,795.58 : x
  2. Step 2: Convert to fraction form
    19,888.53/29,831.23 = 8,795.58/x
  3. Step 3: Cross multiply
    19,888.53x = 29,831.23 × 8,795.58
  4. Step 4: Simplify right side
    19,888.53x = 262,382,969.96
  5. Step 5: Solve for x
    x = 262,382,969.96/19,888.53
  6. Step 6: Final answer
    x = 13,192.68

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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.