Home / 42,607.84-63,911.70-13,025.68

Finding the Fourth Proportional to 42,607.84, 63,911.70 and 13,025.68

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Solution

The fourth proportional to 42,607.84, 63,911.70 and 13,025.68 is: 19,538.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,607.84 : 63,911.70 = 13,025.68 : x
  2. Step 2: Convert to fraction form
    42,607.84/63,911.70 = 13,025.68/x
  3. Step 3: Cross multiply
    42,607.84x = 63,911.70 × 13,025.68
  4. Step 4: Simplify right side
    42,607.84x = 832,493,233.25
  5. Step 5: Solve for x
    x = 832,493,233.25/42,607.84
  6. Step 6: Final answer
    x = 19,538.50

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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.