Home / 14,009.51-19,327.73-8,972.93

Finding the Fourth Proportional to 14,009.51, 19,327.73 and 8,972.93

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Solution

The fourth proportional to 14,009.51, 19,327.73 and 8,972.93 is: 12,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.51 : 19,327.73 = 8,972.93 : x
  2. Step 2: Convert to fraction form
    14,009.51/19,327.73 = 8,972.93/x
  3. Step 3: Cross multiply
    14,009.51x = 19,327.73 × 8,972.93
  4. Step 4: Simplify right side
    14,009.51x = 173,426,226.85
  5. Step 5: Solve for x
    x = 173,426,226.85/14,009.51
  6. Step 6: Final answer
    x = 12,379.18

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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.