Home / 28,335.96-42,476.23-10,553.59

Finding the Fourth Proportional to 28,335.96, 42,476.23 and 10,553.59

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Solution

The fourth proportional to 28,335.96, 42,476.23 and 10,553.59 is: 15,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.96 : 42,476.23 = 10,553.59 : x
  2. Step 2: Convert to fraction form
    28,335.96/42,476.23 = 10,553.59/x
  3. Step 3: Cross multiply
    28,335.96x = 42,476.23 × 10,553.59
  4. Step 4: Simplify right side
    28,335.96x = 448,276,782.45
  5. Step 5: Solve for x
    x = 448,276,782.45/28,335.96
  6. Step 6: Final answer
    x = 15,820.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.