Home / 13,899.63-19,181.51-7,526.28

Finding the Fourth Proportional to 13,899.63, 19,181.51 and 7,526.28

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Solution

The fourth proportional to 13,899.63, 19,181.51 and 7,526.28 is: 10,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.63 : 19,181.51 = 7,526.28 : x
  2. Step 2: Convert to fraction form
    13,899.63/19,181.51 = 7,526.28/x
  3. Step 3: Cross multiply
    13,899.63x = 19,181.51 × 7,526.28
  4. Step 4: Simplify right side
    13,899.63x = 144,365,477.61
  5. Step 5: Solve for x
    x = 144,365,477.61/13,899.63
  6. Step 6: Final answer
    x = 10,386.28

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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.