Home / 42,386.63-63,591.28-14,684.63

Finding the Fourth Proportional to 42,386.63, 63,591.28 and 14,684.63

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Solution

The fourth proportional to 42,386.63, 63,591.28 and 14,684.63 is: 22,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386.63 : 63,591.28 = 14,684.63 : x
  2. Step 2: Convert to fraction form
    42,386.63/63,591.28 = 14,684.63/x
  3. Step 3: Cross multiply
    42,386.63x = 63,591.28 × 14,684.63
  4. Step 4: Simplify right side
    42,386.63x = 933,814,063.36
  5. Step 5: Solve for x
    x = 933,814,063.36/42,386.63
  6. Step 6: Final answer
    x = 22,030.87

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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.