Home / 21,032.91-29,024.33-13,075.00

Finding the Fourth Proportional to 21,032.91, 29,024.33 and 13,075.00

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Solution

The fourth proportional to 21,032.91, 29,024.33 and 13,075.00 is: 18,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.91 : 29,024.33 = 13,075.00 : x
  2. Step 2: Convert to fraction form
    21,032.91/29,024.33 = 13,075.00/x
  3. Step 3: Cross multiply
    21,032.91x = 29,024.33 × 13,075.00
  4. Step 4: Simplify right side
    21,032.91x = 379,492,976.81
  5. Step 5: Solve for x
    x = 379,492,976.81/21,032.91
  6. Step 6: Final answer
    x = 18,042.82

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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.