Home / 21,655.03-29,875.08-14,583.73

Finding the Fourth Proportional to 21,655.03, 29,875.08 and 14,583.73

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Solution

The fourth proportional to 21,655.03, 29,875.08 and 14,583.73 is: 20,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.03 : 29,875.08 = 14,583.73 : x
  2. Step 2: Convert to fraction form
    21,655.03/29,875.08 = 14,583.73/x
  3. Step 3: Cross multiply
    21,655.03x = 29,875.08 × 14,583.73
  4. Step 4: Simplify right side
    21,655.03x = 435,690,100.45
  5. Step 5: Solve for x
    x = 435,690,100.45/21,655.03
  6. Step 6: Final answer
    x = 20,119.58

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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.