Home / 14,508.90-21,783.60-9,276.30

Finding the Fourth Proportional to 14,508.90, 21,783.60 and 9,276.30

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Solution

The fourth proportional to 14,508.90, 21,783.60 and 9,276.30 is: 13,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.90 : 21,783.60 = 9,276.30 : x
  2. Step 2: Convert to fraction form
    14,508.90/21,783.60 = 9,276.30/x
  3. Step 3: Cross multiply
    14,508.90x = 21,783.60 × 9,276.30
  4. Step 4: Simplify right side
    14,508.90x = 202,071,208.68
  5. Step 5: Solve for x
    x = 202,071,208.68/14,508.90
  6. Step 6: Final answer
    x = 13,927.40

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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.