Home / 13,813.84-19,063.68-7,526.56

Finding the Fourth Proportional to 13,813.84, 19,063.68 and 7,526.56

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Solution

The fourth proportional to 13,813.84, 19,063.68 and 7,526.56 is: 10,386.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.84 : 19,063.68 = 7,526.56 : x
  2. Step 2: Convert to fraction form
    13,813.84/19,063.68 = 7,526.56/x
  3. Step 3: Cross multiply
    13,813.84x = 19,063.68 × 7,526.56
  4. Step 4: Simplify right side
    13,813.84x = 143,483,931.34
  5. Step 5: Solve for x
    x = 143,483,931.34/13,813.84
  6. Step 6: Final answer
    x = 10,386.97

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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.