Home / 21,503.34-29,675.59-11,943.26

Finding the Fourth Proportional to 21,503.34, 29,675.59 and 11,943.26

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Solution

The fourth proportional to 21,503.34, 29,675.59 and 11,943.26 is: 16,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,503.34 : 29,675.59 = 11,943.26 : x
  2. Step 2: Convert to fraction form
    21,503.34/29,675.59 = 11,943.26/x
  3. Step 3: Cross multiply
    21,503.34x = 29,675.59 × 11,943.26
  4. Step 4: Simplify right side
    21,503.34x = 354,423,220.07
  5. Step 5: Solve for x
    x = 354,423,220.07/21,503.34
  6. Step 6: Final answer
    x = 16,482.24

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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.