Home / 21,595.61-29,801.49-12,036.37

Finding the Fourth Proportional to 21,595.61, 29,801.49 and 12,036.37

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Solution

The fourth proportional to 21,595.61, 29,801.49 and 12,036.37 is: 16,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.61 : 29,801.49 = 12,036.37 : x
  2. Step 2: Convert to fraction form
    21,595.61/29,801.49 = 12,036.37/x
  3. Step 3: Cross multiply
    21,595.61x = 29,801.49 × 12,036.37
  4. Step 4: Simplify right side
    21,595.61x = 358,701,749.42
  5. Step 5: Solve for x
    x = 358,701,749.42/21,595.61
  6. Step 6: Final answer
    x = 16,609.94

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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.