Home / 21,590.63-29,794.62-12,030.48

Finding the Fourth Proportional to 21,590.63, 29,794.62 and 12,030.48

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Solution

The fourth proportional to 21,590.63, 29,794.62 and 12,030.48 is: 16,601.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.63 : 29,794.62 = 12,030.48 : x
  2. Step 2: Convert to fraction form
    21,590.63/29,794.62 = 12,030.48/x
  3. Step 3: Cross multiply
    21,590.63x = 29,794.62 × 12,030.48
  4. Step 4: Simplify right side
    21,590.63x = 358,443,580.02
  5. Step 5: Solve for x
    x = 358,443,580.02/21,590.63
  6. Step 6: Final answer
    x = 16,601.81

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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.