Home / 27,266.19-37,646-20,881.51

Finding the Fourth Proportional to 27,266.19, 37,646 and 20,881.51

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Solution

The fourth proportional to 27,266.19, 37,646 and 20,881.51 is: 28,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,266.19 : 37,646 = 20,881.51 : x
  2. Step 2: Convert to fraction form
    27,266.19/37,646 = 20,881.51/x
  3. Step 3: Cross multiply
    27,266.19x = 37,646 × 20,881.51
  4. Step 4: Simplify right side
    27,266.19x = 786,105,325.46
  5. Step 5: Solve for x
    x = 786,105,325.46/27,266.19
  6. Step 6: Final answer
    x = 28,830.77

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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.