Home / 22,381.65-30,888.27-14,814.81

Finding the Fourth Proportional to 22,381.65, 30,888.27 and 14,814.81

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Solution

The fourth proportional to 22,381.65, 30,888.27 and 14,814.81 is: 20,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,381.65 : 30,888.27 = 14,814.81 : x
  2. Step 2: Convert to fraction form
    22,381.65/30,888.27 = 14,814.81/x
  3. Step 3: Cross multiply
    22,381.65x = 30,888.27 × 14,814.81
  4. Step 4: Simplify right side
    22,381.65x = 457,603,851.28
  5. Step 5: Solve for x
    x = 457,603,851.28/22,381.65
  6. Step 6: Final answer
    x = 20,445.49

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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.