Home / 14,407.06-19,868.53-9,876.33

Finding the Fourth Proportional to 14,407.06, 19,868.53 and 9,876.33

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Solution

The fourth proportional to 14,407.06, 19,868.53 and 9,876.33 is: 13,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,407.06 : 19,868.53 = 9,876.33 : x
  2. Step 2: Convert to fraction form
    14,407.06/19,868.53 = 9,876.33/x
  3. Step 3: Cross multiply
    14,407.06x = 19,868.53 × 9,876.33
  4. Step 4: Simplify right side
    14,407.06x = 196,228,158.89
  5. Step 5: Solve for x
    x = 196,228,158.89/14,407.06
  6. Step 6: Final answer
    x = 13,620.28

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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.