Home / 14,528.90-20,061.69-11,840.51

Finding the Fourth Proportional to 14,528.90, 20,061.69 and 11,840.51

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Solution

The fourth proportional to 14,528.90, 20,061.69 and 11,840.51 is: 16,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.90 : 20,061.69 = 11,840.51 : x
  2. Step 2: Convert to fraction form
    14,528.90/20,061.69 = 11,840.51/x
  3. Step 3: Cross multiply
    14,528.90x = 20,061.69 × 11,840.51
  4. Step 4: Simplify right side
    14,528.90x = 237,540,540.75
  5. Step 5: Solve for x
    x = 237,540,540.75/14,528.90
  6. Step 6: Final answer
    x = 16,349.53

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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.