Home / 15,633.93-21,574.61-8,560.35

Finding the Fourth Proportional to 15,633.93, 21,574.61 and 8,560.35

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Solution

The fourth proportional to 15,633.93, 21,574.61 and 8,560.35 is: 11,813.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.93 : 21,574.61 = 8,560.35 : x
  2. Step 2: Convert to fraction form
    15,633.93/21,574.61 = 8,560.35/x
  3. Step 3: Cross multiply
    15,633.93x = 21,574.61 × 8,560.35
  4. Step 4: Simplify right side
    15,633.93x = 184,686,212.71
  5. Step 5: Solve for x
    x = 184,686,212.71/15,633.93
  6. Step 6: Final answer
    x = 11,813.17

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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.