Home / 19,632.84-29,457.12-7,153.74

Finding the Fourth Proportional to 19,632.84, 29,457.12 and 7,153.74

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Solution

The fourth proportional to 19,632.84, 29,457.12 and 7,153.74 is: 10,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,632.84 : 29,457.12 = 7,153.74 : x
  2. Step 2: Convert to fraction form
    19,632.84/29,457.12 = 7,153.74/x
  3. Step 3: Cross multiply
    19,632.84x = 29,457.12 × 7,153.74
  4. Step 4: Simplify right side
    19,632.84x = 210,728,577.63
  5. Step 5: Solve for x
    x = 210,728,577.63/19,632.84
  6. Step 6: Final answer
    x = 10,733.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.