Home / 26,559.60-36,661.08-19,417.20

Finding the Fourth Proportional to 26,559.60, 36,661.08 and 19,417.20

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Solution

The fourth proportional to 26,559.60, 36,661.08 and 19,417.20 is: 26,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,559.60 : 36,661.08 = 19,417.20 : x
  2. Step 2: Convert to fraction form
    26,559.60/36,661.08 = 19,417.20/x
  3. Step 3: Cross multiply
    26,559.60x = 36,661.08 × 19,417.20
  4. Step 4: Simplify right side
    26,559.60x = 711,855,522.58
  5. Step 5: Solve for x
    x = 711,855,522.58/26,559.60
  6. Step 6: Final answer
    x = 26,802.19

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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.