Home / 14,271.79-19,699.58-9,801.80

Finding the Fourth Proportional to 14,271.79, 19,699.58 and 9,801.80

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Solution

The fourth proportional to 14,271.79, 19,699.58 and 9,801.80 is: 13,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.79 : 19,699.58 = 9,801.80 : x
  2. Step 2: Convert to fraction form
    14,271.79/19,699.58 = 9,801.80/x
  3. Step 3: Cross multiply
    14,271.79x = 19,699.58 × 9,801.80
  4. Step 4: Simplify right side
    14,271.79x = 193,091,343.24
  5. Step 5: Solve for x
    x = 193,091,343.24/14,271.79
  6. Step 6: Final answer
    x = 13,529.58

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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.