Home / 25,365.22-35,018.08-15,296.21

Finding the Fourth Proportional to 25,365.22, 35,018.08 and 15,296.21

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Solution

The fourth proportional to 25,365.22, 35,018.08 and 15,296.21 is: 21,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.22 : 35,018.08 = 15,296.21 : x
  2. Step 2: Convert to fraction form
    25,365.22/35,018.08 = 15,296.21/x
  3. Step 3: Cross multiply
    25,365.22x = 35,018.08 × 15,296.21
  4. Step 4: Simplify right side
    25,365.22x = 535,643,823.46
  5. Step 5: Solve for x
    x = 535,643,823.46/25,365.22
  6. Step 6: Final answer
    x = 21,117.26

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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.