Home / 14,038.36-19,372.26-7,665.19

Finding the Fourth Proportional to 14,038.36, 19,372.26 and 7,665.19

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Solution

The fourth proportional to 14,038.36, 19,372.26 and 7,665.19 is: 10,577.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.36 : 19,372.26 = 7,665.19 : x
  2. Step 2: Convert to fraction form
    14,038.36/19,372.26 = 7,665.19/x
  3. Step 3: Cross multiply
    14,038.36x = 19,372.26 × 7,665.19
  4. Step 4: Simplify right side
    14,038.36x = 148,492,053.63
  5. Step 5: Solve for x
    x = 148,492,053.63/14,038.36
  6. Step 6: Final answer
    x = 10,577.59

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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.