Home / 13,803.09-19,047.15-7,833.66

Finding the Fourth Proportional to 13,803.09, 19,047.15 and 7,833.66

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Solution

The fourth proportional to 13,803.09, 19,047.15 and 7,833.66 is: 10,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.09 : 19,047.15 = 7,833.66 : x
  2. Step 2: Convert to fraction form
    13,803.09/19,047.15 = 7,833.66/x
  3. Step 3: Cross multiply
    13,803.09x = 19,047.15 × 7,833.66
  4. Step 4: Simplify right side
    13,803.09x = 149,208,897.07
  5. Step 5: Solve for x
    x = 149,208,897.07/13,803.09
  6. Step 6: Final answer
    x = 10,809.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.