Home / 14,207.90-21,306.42-4,718.43

Finding the Fourth Proportional to 14,207.90, 21,306.42 and 4,718.43

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Solution

The fourth proportional to 14,207.90, 21,306.42 and 4,718.43 is: 7,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.90 : 21,306.42 = 4,718.43 : x
  2. Step 2: Convert to fraction form
    14,207.90/21,306.42 = 4,718.43/x
  3. Step 3: Cross multiply
    14,207.90x = 21,306.42 × 4,718.43
  4. Step 4: Simplify right side
    14,207.90x = 100,532,851.32
  5. Step 5: Solve for x
    x = 100,532,851.32/14,207.90
  6. Step 6: Final answer
    x = 7,075.84

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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.