Home / 14,259.15-19,674.45-8,291.34

Finding the Fourth Proportional to 14,259.15, 19,674.45 and 8,291.34

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Solution

The fourth proportional to 14,259.15, 19,674.45 and 8,291.34 is: 11,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.15 : 19,674.45 = 8,291.34 : x
  2. Step 2: Convert to fraction form
    14,259.15/19,674.45 = 8,291.34/x
  3. Step 3: Cross multiply
    14,259.15x = 19,674.45 × 8,291.34
  4. Step 4: Simplify right side
    14,259.15x = 163,127,554.26
  5. Step 5: Solve for x
    x = 163,127,554.26/14,259.15
  6. Step 6: Final answer
    x = 11,440.20

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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.