Home / 14,156.28-19,536.06-7,869.06

Finding the Fourth Proportional to 14,156.28, 19,536.06 and 7,869.06

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Solution

The fourth proportional to 14,156.28, 19,536.06 and 7,869.06 is: 10,859.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.28 : 19,536.06 = 7,869.06 : x
  2. Step 2: Convert to fraction form
    14,156.28/19,536.06 = 7,869.06/x
  3. Step 3: Cross multiply
    14,156.28x = 19,536.06 × 7,869.06
  4. Step 4: Simplify right side
    14,156.28x = 153,730,428.30
  5. Step 5: Solve for x
    x = 153,730,428.30/14,156.28
  6. Step 6: Final answer
    x = 10,859.52

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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.