Home / 18,948.53-26,159.56-13,300.61

Finding the Fourth Proportional to 18,948.53, 26,159.56 and 13,300.61

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Solution

The fourth proportional to 18,948.53, 26,159.56 and 13,300.61 is: 18,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.53 : 26,159.56 = 13,300.61 : x
  2. Step 2: Convert to fraction form
    18,948.53/26,159.56 = 13,300.61/x
  3. Step 3: Cross multiply
    18,948.53x = 26,159.56 × 13,300.61
  4. Step 4: Simplify right side
    18,948.53x = 347,937,941.28
  5. Step 5: Solve for x
    x = 347,937,941.28/18,948.53
  6. Step 6: Final answer
    x = 18,362.26

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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.