Home / 16,820.95-25,230.51-5,133.25

Finding the Fourth Proportional to 16,820.95, 25,230.51 and 5,133.25

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Solution

The fourth proportional to 16,820.95, 25,230.51 and 5,133.25 is: 7,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.95 : 25,230.51 = 5,133.25 : x
  2. Step 2: Convert to fraction form
    16,820.95/25,230.51 = 5,133.25/x
  3. Step 3: Cross multiply
    16,820.95x = 25,230.51 × 5,133.25
  4. Step 4: Simplify right side
    16,820.95x = 129,514,515.46
  5. Step 5: Solve for x
    x = 129,514,515.46/16,820.95
  6. Step 6: Final answer
    x = 7,699.60

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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.