Home / 19,013.92-26,232.68-11,457.40

Finding the Fourth Proportional to 19,013.92, 26,232.68 and 11,457.40

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Solution

The fourth proportional to 19,013.92, 26,232.68 and 11,457.40 is: 15,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.92 : 26,232.68 = 11,457.40 : x
  2. Step 2: Convert to fraction form
    19,013.92/26,232.68 = 11,457.40/x
  3. Step 3: Cross multiply
    19,013.92x = 26,232.68 × 11,457.40
  4. Step 4: Simplify right side
    19,013.92x = 300,558,307.83
  5. Step 5: Solve for x
    x = 300,558,307.83/19,013.92
  6. Step 6: Final answer
    x = 15,807.28

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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.