Home / 26,218.80-36,173.16-15,602.40

Finding the Fourth Proportional to 26,218.80, 36,173.16 and 15,602.40

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Solution

The fourth proportional to 26,218.80, 36,173.16 and 15,602.40 is: 21,526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218.80 : 36,173.16 = 15,602.40 : x
  2. Step 2: Convert to fraction form
    26,218.80/36,173.16 = 15,602.40/x
  3. Step 3: Cross multiply
    26,218.80x = 36,173.16 × 15,602.40
  4. Step 4: Simplify right side
    26,218.80x = 564,388,111.58
  5. Step 5: Solve for x
    x = 564,388,111.58/26,218.80
  6. Step 6: Final answer
    x = 21,526.08

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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.