Home / 19,636.11-29,457.81-7,957.53

Finding the Fourth Proportional to 19,636.11, 29,457.81 and 7,957.53

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Solution

The fourth proportional to 19,636.11, 29,457.81 and 7,957.53 is: 11,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.11 : 29,457.81 = 7,957.53 : x
  2. Step 2: Convert to fraction form
    19,636.11/29,457.81 = 7,957.53/x
  3. Step 3: Cross multiply
    19,636.11x = 29,457.81 × 7,957.53
  4. Step 4: Simplify right side
    19,636.11x = 234,411,406.81
  5. Step 5: Solve for x
    x = 234,411,406.81/19,636.11
  6. Step 6: Final answer
    x = 11,937.77

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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.