Home / 14,330.79-19,774.04-7,956.36

Finding the Fourth Proportional to 14,330.79, 19,774.04 and 7,956.36

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Solution

The fourth proportional to 14,330.79, 19,774.04 and 7,956.36 is: 10,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.79 : 19,774.04 = 7,956.36 : x
  2. Step 2: Convert to fraction form
    14,330.79/19,774.04 = 7,956.36/x
  3. Step 3: Cross multiply
    14,330.79x = 19,774.04 × 7,956.36
  4. Step 4: Simplify right side
    14,330.79x = 157,329,341.11
  5. Step 5: Solve for x
    x = 157,329,341.11/14,330.79
  6. Step 6: Final answer
    x = 10,978.41

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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.