Home / 13,883.34-19,130.66-9,895.98

Finding the Fourth Proportional to 13,883.34, 19,130.66 and 9,895.98

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Solution

The fourth proportional to 13,883.34, 19,130.66 and 9,895.98 is: 13,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.34 : 19,130.66 = 9,895.98 : x
  2. Step 2: Convert to fraction form
    13,883.34/19,130.66 = 9,895.98/x
  3. Step 3: Cross multiply
    13,883.34x = 19,130.66 × 9,895.98
  4. Step 4: Simplify right side
    13,883.34x = 189,316,628.75
  5. Step 5: Solve for x
    x = 189,316,628.75/13,883.34
  6. Step 6: Final answer
    x = 13,636.25

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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.