Home / 14,274.72-19,698.93-7,900.83

Finding the Fourth Proportional to 14,274.72, 19,698.93 and 7,900.83

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Solution

The fourth proportional to 14,274.72, 19,698.93 and 7,900.83 is: 10,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.72 : 19,698.93 = 7,900.83 : x
  2. Step 2: Convert to fraction form
    14,274.72/19,698.93 = 7,900.83/x
  3. Step 3: Cross multiply
    14,274.72x = 19,698.93 × 7,900.83
  4. Step 4: Simplify right side
    14,274.72x = 155,637,897.11
  5. Step 5: Solve for x
    x = 155,637,897.11/14,274.72
  6. Step 6: Final answer
    x = 10,903.04

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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.