Home / 26,421.51-36,460.54-15,816.99

Finding the Fourth Proportional to 26,421.51, 36,460.54 and 15,816.99

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Solution

The fourth proportional to 26,421.51, 36,460.54 and 15,816.99 is: 21,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,421.51 : 36,460.54 = 15,816.99 : x
  2. Step 2: Convert to fraction form
    26,421.51/36,460.54 = 15,816.99/x
  3. Step 3: Cross multiply
    26,421.51x = 36,460.54 × 15,816.99
  4. Step 4: Simplify right side
    26,421.51x = 576,696,153.07
  5. Step 5: Solve for x
    x = 576,696,153.07/26,421.51
  6. Step 6: Final answer
    x = 21,826.76

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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.