Home / 21,262.08-29,345.73-14,079.33

Finding the Fourth Proportional to 21,262.08, 29,345.73 and 14,079.33

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Solution

The fourth proportional to 21,262.08, 29,345.73 and 14,079.33 is: 19,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262.08 : 29,345.73 = 14,079.33 : x
  2. Step 2: Convert to fraction form
    21,262.08/29,345.73 = 14,079.33/x
  3. Step 3: Cross multiply
    21,262.08x = 29,345.73 × 14,079.33
  4. Step 4: Simplify right side
    21,262.08x = 413,168,216.76
  5. Step 5: Solve for x
    x = 413,168,216.76/21,262.08
  6. Step 6: Final answer
    x = 19,432.16

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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.