Home / 15,440.13-23,155.65-6,555.33

Finding the Fourth Proportional to 15,440.13, 23,155.65 and 6,555.33

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Solution

The fourth proportional to 15,440.13, 23,155.65 and 6,555.33 is: 9,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.13 : 23,155.65 = 6,555.33 : x
  2. Step 2: Convert to fraction form
    15,440.13/23,155.65 = 6,555.33/x
  3. Step 3: Cross multiply
    15,440.13x = 23,155.65 × 6,555.33
  4. Step 4: Simplify right side
    15,440.13x = 151,792,927.11
  5. Step 5: Solve for x
    x = 151,792,927.11/15,440.13
  6. Step 6: Final answer
    x = 9,831.07

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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.