Home / 14,143.02-21,216.76-4,281.06

Finding the Fourth Proportional to 14,143.02, 21,216.76 and 4,281.06

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Solution

The fourth proportional to 14,143.02, 21,216.76 and 4,281.06 is: 6,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.02 : 21,216.76 = 4,281.06 : x
  2. Step 2: Convert to fraction form
    14,143.02/21,216.76 = 4,281.06/x
  3. Step 3: Cross multiply
    14,143.02x = 21,216.76 × 4,281.06
  4. Step 4: Simplify right side
    14,143.02x = 90,830,222.57
  5. Step 5: Solve for x
    x = 90,830,222.57/14,143.02
  6. Step 6: Final answer
    x = 6,422.27

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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.