Home / 14,383.04-19,848.85-8,416.58

Finding the Fourth Proportional to 14,383.04, 19,848.85 and 8,416.58

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Solution

The fourth proportional to 14,383.04, 19,848.85 and 8,416.58 is: 11,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.04 : 19,848.85 = 8,416.58 : x
  2. Step 2: Convert to fraction form
    14,383.04/19,848.85 = 8,416.58/x
  3. Step 3: Cross multiply
    14,383.04x = 19,848.85 × 8,416.58
  4. Step 4: Simplify right side
    14,383.04x = 167,059,313.65
  5. Step 5: Solve for x
    x = 167,059,313.65/14,383.04
  6. Step 6: Final answer
    x = 11,615.03

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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.