Home / 13,809.84-19,058.16-7,522.56

Finding the Fourth Proportional to 13,809.84, 19,058.16 and 7,522.56

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Solution

The fourth proportional to 13,809.84, 19,058.16 and 7,522.56 is: 10,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.84 : 19,058.16 = 7,522.56 : x
  2. Step 2: Convert to fraction form
    13,809.84/19,058.16 = 7,522.56/x
  3. Step 3: Cross multiply
    13,809.84x = 19,058.16 × 7,522.56
  4. Step 4: Simplify right side
    13,809.84x = 143,366,152.09
  5. Step 5: Solve for x
    x = 143,366,152.09/13,809.84
  6. Step 6: Final answer
    x = 10,381.45

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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.