Home / 14,271.08-19,693.87-7,983.45

Finding the Fourth Proportional to 14,271.08, 19,693.87 and 7,983.45

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Solution

The fourth proportional to 14,271.08, 19,693.87 and 7,983.45 is: 11,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.08 : 19,693.87 = 7,983.45 : x
  2. Step 2: Convert to fraction form
    14,271.08/19,693.87 = 7,983.45/x
  3. Step 3: Cross multiply
    14,271.08x = 19,693.87 × 7,983.45
  4. Step 4: Simplify right side
    14,271.08x = 157,225,006.49
  5. Step 5: Solve for x
    x = 157,225,006.49/14,271.08
  6. Step 6: Final answer
    x = 11,017.04

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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.