Home / 19,140.34-26,416.12-10,756.84

Finding the Fourth Proportional to 19,140.34, 26,416.12 and 10,756.84

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Solution

The fourth proportional to 19,140.34, 26,416.12 and 10,756.84 is: 14,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.34 : 26,416.12 = 10,756.84 : x
  2. Step 2: Convert to fraction form
    19,140.34/26,416.12 = 10,756.84/x
  3. Step 3: Cross multiply
    19,140.34x = 26,416.12 × 10,756.84
  4. Step 4: Simplify right side
    19,140.34x = 284,153,976.26
  5. Step 5: Solve for x
    x = 284,153,976.26/19,140.34
  6. Step 6: Final answer
    x = 14,845.82

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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.