Home / 15,633.52-21,574.00-8,559.93

Finding the Fourth Proportional to 15,633.52, 21,574.00 and 8,559.93

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Solution

The fourth proportional to 15,633.52, 21,574.00 and 8,559.93 is: 11,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.52 : 21,574.00 = 8,559.93 : x
  2. Step 2: Convert to fraction form
    15,633.52/21,574.00 = 8,559.93/x
  3. Step 3: Cross multiply
    15,633.52x = 21,574.00 × 8,559.93
  4. Step 4: Simplify right side
    15,633.52x = 184,671,908.42
  5. Step 5: Solve for x
    x = 184,671,908.42/15,633.52
  6. Step 6: Final answer
    x = 11,812.56

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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.