Home / 14,301.80-21,423.90-9,924.20

Finding the Fourth Proportional to 14,301.80, 21,423.90 and 9,924.20

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Solution

The fourth proportional to 14,301.80, 21,423.90 and 9,924.20 is: 14,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.80 : 21,423.90 = 9,924.20 : x
  2. Step 2: Convert to fraction form
    14,301.80/21,423.90 = 9,924.20/x
  3. Step 3: Cross multiply
    14,301.80x = 21,423.90 × 9,924.20
  4. Step 4: Simplify right side
    14,301.80x = 212,615,068.38
  5. Step 5: Solve for x
    x = 212,615,068.38/14,301.80
  6. Step 6: Final answer
    x = 14,866.32

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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.