Home / 33,266.16-45,916.88-19,666.80

Finding the Fourth Proportional to 33,266.16, 45,916.88 and 19,666.80

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Solution

The fourth proportional to 33,266.16, 45,916.88 and 19,666.80 is: 27,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,266.16 : 45,916.88 = 19,666.80 : x
  2. Step 2: Convert to fraction form
    33,266.16/45,916.88 = 19,666.80/x
  3. Step 3: Cross multiply
    33,266.16x = 45,916.88 × 19,666.80
  4. Step 4: Simplify right side
    33,266.16x = 903,038,095.58
  5. Step 5: Solve for x
    x = 903,038,095.58/33,266.16
  6. Step 6: Final answer
    x = 27,145.85

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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.