Home / 13,955.58-19,261.74-8,582.64

Finding the Fourth Proportional to 13,955.58, 19,261.74 and 8,582.64

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Solution

The fourth proportional to 13,955.58, 19,261.74 and 8,582.64 is: 11,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.58 : 19,261.74 = 8,582.64 : x
  2. Step 2: Convert to fraction form
    13,955.58/19,261.74 = 8,582.64/x
  3. Step 3: Cross multiply
    13,955.58x = 19,261.74 × 8,582.64
  4. Step 4: Simplify right side
    13,955.58x = 165,316,527.31
  5. Step 5: Solve for x
    x = 165,316,527.31/13,955.58
  6. Step 6: Final answer
    x = 11,845.91

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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.