Home / 13,875.84-19,148.94-7,588.62

Finding the Fourth Proportional to 13,875.84, 19,148.94 and 7,588.62

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Solution

The fourth proportional to 13,875.84, 19,148.94 and 7,588.62 is: 10,472.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.84 : 19,148.94 = 7,588.62 : x
  2. Step 2: Convert to fraction form
    13,875.84/19,148.94 = 7,588.62/x
  3. Step 3: Cross multiply
    13,875.84x = 19,148.94 × 7,588.62
  4. Step 4: Simplify right side
    13,875.84x = 145,314,029.06
  5. Step 5: Solve for x
    x = 145,314,029.06/13,875.84
  6. Step 6: Final answer
    x = 10,472.45

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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.