Home / 21,750.93-30,030.75-16,706.16

Finding the Fourth Proportional to 21,750.93, 30,030.75 and 16,706.16

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Solution

The fourth proportional to 21,750.93, 30,030.75 and 16,706.16 is: 23,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.93 : 30,030.75 = 16,706.16 : x
  2. Step 2: Convert to fraction form
    21,750.93/30,030.75 = 16,706.16/x
  3. Step 3: Cross multiply
    21,750.93x = 30,030.75 × 16,706.16
  4. Step 4: Simplify right side
    21,750.93x = 501,698,514.42
  5. Step 5: Solve for x
    x = 501,698,514.42/21,750.93
  6. Step 6: Final answer
    x = 23,065.61

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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.