Home / 14,590.48-21,865.56-12,637.84

Finding the Fourth Proportional to 14,590.48, 21,865.56 and 12,637.84

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Solution

The fourth proportional to 14,590.48, 21,865.56 and 12,637.84 is: 18,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.48 : 21,865.56 = 12,637.84 : x
  2. Step 2: Convert to fraction form
    14,590.48/21,865.56 = 12,637.84/x
  3. Step 3: Cross multiply
    14,590.48x = 21,865.56 × 12,637.84
  4. Step 4: Simplify right side
    14,590.48x = 276,333,448.79
  5. Step 5: Solve for x
    x = 276,333,448.79/14,590.48
  6. Step 6: Final answer
    x = 18,939.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.