Home / 13,899.55-19,181.35-7,526.11

Finding the Fourth Proportional to 13,899.55, 19,181.35 and 7,526.11

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Solution

The fourth proportional to 13,899.55, 19,181.35 and 7,526.11 is: 10,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.55 : 19,181.35 = 7,526.11 : x
  2. Step 2: Convert to fraction form
    13,899.55/19,181.35 = 7,526.11/x
  3. Step 3: Cross multiply
    13,899.55x = 19,181.35 × 7,526.11
  4. Step 4: Simplify right side
    13,899.55x = 144,360,950.05
  5. Step 5: Solve for x
    x = 144,360,950.05/13,899.55
  6. Step 6: Final answer
    x = 10,386.02

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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.