Home / 15,633.77-21,574.35-8,560.18

Finding the Fourth Proportional to 15,633.77, 21,574.35 and 8,560.18

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Solution

The fourth proportional to 15,633.77, 21,574.35 and 8,560.18 is: 11,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.77 : 21,574.35 = 8,560.18 : x
  2. Step 2: Convert to fraction form
    15,633.77/21,574.35 = 8,560.18/x
  3. Step 3: Cross multiply
    15,633.77x = 21,574.35 × 8,560.18
  4. Step 4: Simplify right side
    15,633.77x = 184,680,276.58
  5. Step 5: Solve for x
    x = 184,680,276.58/15,633.77
  6. Step 6: Final answer
    x = 11,812.91

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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.