Home / 18,526.06-25,564.32-10,971.02

Finding the Fourth Proportional to 18,526.06, 25,564.32 and 10,971.02

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Solution

The fourth proportional to 18,526.06, 25,564.32 and 10,971.02 is: 15,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.06 : 25,564.32 = 10,971.02 : x
  2. Step 2: Convert to fraction form
    18,526.06/25,564.32 = 10,971.02/x
  3. Step 3: Cross multiply
    18,526.06x = 25,564.32 × 10,971.02
  4. Step 4: Simplify right side
    18,526.06x = 280,466,666.01
  5. Step 5: Solve for x
    x = 280,466,666.01/18,526.06
  6. Step 6: Final answer
    x = 15,139.03

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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.