Home / 25,583.61-35,307.14-15,513.06

Finding the Fourth Proportional to 25,583.61, 35,307.14 and 15,513.06

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Solution

The fourth proportional to 25,583.61, 35,307.14 and 15,513.06 is: 21,409.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,583.61 : 35,307.14 = 15,513.06 : x
  2. Step 2: Convert to fraction form
    25,583.61/35,307.14 = 15,513.06/x
  3. Step 3: Cross multiply
    25,583.61x = 35,307.14 × 15,513.06
  4. Step 4: Simplify right side
    25,583.61x = 547,721,703.68
  5. Step 5: Solve for x
    x = 547,721,703.68/25,583.61
  6. Step 6: Final answer
    x = 21,409.09

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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.