Home / 22,814.52-31,483.80-13,381.28

Finding the Fourth Proportional to 22,814.52, 31,483.80 and 13,381.28

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Solution

The fourth proportional to 22,814.52, 31,483.80 and 13,381.28 is: 18,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,814.52 : 31,483.80 = 13,381.28 : x
  2. Step 2: Convert to fraction form
    22,814.52/31,483.80 = 13,381.28/x
  3. Step 3: Cross multiply
    22,814.52x = 31,483.80 × 13,381.28
  4. Step 4: Simplify right side
    22,814.52x = 421,293,543.26
  5. Step 5: Solve for x
    x = 421,293,543.26/22,814.52
  6. Step 6: Final answer
    x = 18,466.03

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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.