Home / 13,810.34-19,058.40-7,522.76

Finding the Fourth Proportional to 13,810.34, 19,058.40 and 7,522.76

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Solution

The fourth proportional to 13,810.34, 19,058.40 and 7,522.76 is: 10,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.34 : 19,058.40 = 7,522.76 : x
  2. Step 2: Convert to fraction form
    13,810.34/19,058.40 = 7,522.76/x
  3. Step 3: Cross multiply
    13,810.34x = 19,058.40 × 7,522.76
  4. Step 4: Simplify right side
    13,810.34x = 143,371,769.18
  5. Step 5: Solve for x
    x = 143,371,769.18/13,810.34
  6. Step 6: Final answer
    x = 10,381.48

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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.