Home / 13,813.81-19,063.05-7,526.18

Finding the Fourth Proportional to 13,813.81, 19,063.05 and 7,526.18

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Solution

The fourth proportional to 13,813.81, 19,063.05 and 7,526.18 is: 10,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.81 : 19,063.05 = 7,526.18 : x
  2. Step 2: Convert to fraction form
    13,813.81/19,063.05 = 7,526.18/x
  3. Step 3: Cross multiply
    13,813.81x = 19,063.05 × 7,526.18
  4. Step 4: Simplify right side
    13,813.81x = 143,471,965.08
  5. Step 5: Solve for x
    x = 143,471,965.08/13,813.81
  6. Step 6: Final answer
    x = 10,386.13

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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.