Home / 13,801.58-19,038.09-9,763.89

Finding the Fourth Proportional to 13,801.58, 19,038.09 and 9,763.89

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Solution

The fourth proportional to 13,801.58, 19,038.09 and 9,763.89 is: 13,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.58 : 19,038.09 = 9,763.89 : x
  2. Step 2: Convert to fraction form
    13,801.58/19,038.09 = 9,763.89/x
  3. Step 3: Cross multiply
    13,801.58x = 19,038.09 × 9,763.89
  4. Step 4: Simplify right side
    13,801.58x = 185,885,816.57
  5. Step 5: Solve for x
    x = 185,885,816.57/13,801.58
  6. Step 6: Final answer
    x = 13,468.44

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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.