Home / 26,368.66-36,371.95-18,407.98

Finding the Fourth Proportional to 26,368.66, 36,371.95 and 18,407.98

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Solution

The fourth proportional to 26,368.66, 36,371.95 and 18,407.98 is: 25,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,368.66 : 36,371.95 = 18,407.98 : x
  2. Step 2: Convert to fraction form
    26,368.66/36,371.95 = 18,407.98/x
  3. Step 3: Cross multiply
    26,368.66x = 36,371.95 × 18,407.98
  4. Step 4: Simplify right side
    26,368.66x = 669,534,128.16
  5. Step 5: Solve for x
    x = 669,534,128.16/26,368.66
  6. Step 6: Final answer
    x = 25,391.28

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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.