Home / 30,130.03-45,164.94-14,307.22

Finding the Fourth Proportional to 30,130.03, 45,164.94 and 14,307.22

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Solution

The fourth proportional to 30,130.03, 45,164.94 and 14,307.22 is: 21,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.03 : 45,164.94 = 14,307.22 : x
  2. Step 2: Convert to fraction form
    30,130.03/45,164.94 = 14,307.22/x
  3. Step 3: Cross multiply
    30,130.03x = 45,164.94 × 14,307.22
  4. Step 4: Simplify right side
    30,130.03x = 646,184,732.87
  5. Step 5: Solve for x
    x = 646,184,732.87/30,130.03
  6. Step 6: Final answer
    x = 21,446.53

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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.