Home / 14,982.80-20,526.40-14,422.01

Finding the Fourth Proportional to 14,982.80, 20,526.40 and 14,422.01

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Solution

The fourth proportional to 14,982.80, 20,526.40 and 14,422.01 is: 19,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.80 : 20,526.40 = 14,422.01 : x
  2. Step 2: Convert to fraction form
    14,982.80/20,526.40 = 14,422.01/x
  3. Step 3: Cross multiply
    14,982.80x = 20,526.40 × 14,422.01
  4. Step 4: Simplify right side
    14,982.80x = 296,031,861.46
  5. Step 5: Solve for x
    x = 296,031,861.46/14,982.80
  6. Step 6: Final answer
    x = 19,758.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.