Home / 26,133.13-36,064.44-15,378.76

Finding the Fourth Proportional to 26,133.13, 36,064.44 and 15,378.76

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Solution

The fourth proportional to 26,133.13, 36,064.44 and 15,378.76 is: 21,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,133.13 : 36,064.44 = 15,378.76 : x
  2. Step 2: Convert to fraction form
    26,133.13/36,064.44 = 15,378.76/x
  3. Step 3: Cross multiply
    26,133.13x = 36,064.44 × 15,378.76
  4. Step 4: Simplify right side
    26,133.13x = 554,626,412.37
  5. Step 5: Solve for x
    x = 554,626,412.37/26,133.13
  6. Step 6: Final answer
    x = 21,223.11

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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.