Home / 14,807.48-20,434.34-8,521.08

Finding the Fourth Proportional to 14,807.48, 20,434.34 and 8,521.08

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Solution

The fourth proportional to 14,807.48, 20,434.34 and 8,521.08 is: 11,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.48 : 20,434.34 = 8,521.08 : x
  2. Step 2: Convert to fraction form
    14,807.48/20,434.34 = 8,521.08/x
  3. Step 3: Cross multiply
    14,807.48x = 20,434.34 × 8,521.08
  4. Step 4: Simplify right side
    14,807.48x = 174,122,645.89
  5. Step 5: Solve for x
    x = 174,122,645.89/14,807.48
  6. Step 6: Final answer
    x = 11,759.10

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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.