Home / 20,646.06-28,475.87-14,283.24

Finding the Fourth Proportional to 20,646.06, 28,475.87 and 14,283.24

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Solution

The fourth proportional to 20,646.06, 28,475.87 and 14,283.24 is: 19,700.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646.06 : 28,475.87 = 14,283.24 : x
  2. Step 2: Convert to fraction form
    20,646.06/28,475.87 = 14,283.24/x
  3. Step 3: Cross multiply
    20,646.06x = 28,475.87 × 14,283.24
  4. Step 4: Simplify right side
    20,646.06x = 406,727,614.00
  5. Step 5: Solve for x
    x = 406,727,614.00/20,646.06
  6. Step 6: Final answer
    x = 19,700.01

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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.