Home / 14,215.76-19,617.02-7,926.92

Finding the Fourth Proportional to 14,215.76, 19,617.02 and 7,926.92

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Solution

The fourth proportional to 14,215.76, 19,617.02 and 7,926.92 is: 10,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.76 : 19,617.02 = 7,926.92 : x
  2. Step 2: Convert to fraction form
    14,215.76/19,617.02 = 7,926.92/x
  3. Step 3: Cross multiply
    14,215.76x = 19,617.02 × 7,926.92
  4. Step 4: Simplify right side
    14,215.76x = 155,502,410.46
  5. Step 5: Solve for x
    x = 155,502,410.46/14,215.76
  6. Step 6: Final answer
    x = 10,938.74

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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.