Home / 19,186.54-26,475.63-10,687.81

Finding the Fourth Proportional to 19,186.54, 26,475.63 and 10,687.81

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Solution

The fourth proportional to 19,186.54, 26,475.63 and 10,687.81 is: 14,748.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.54 : 26,475.63 = 10,687.81 : x
  2. Step 2: Convert to fraction form
    19,186.54/26,475.63 = 10,687.81/x
  3. Step 3: Cross multiply
    19,186.54x = 26,475.63 × 10,687.81
  4. Step 4: Simplify right side
    19,186.54x = 282,966,503.07
  5. Step 5: Solve for x
    x = 282,966,503.07/19,186.54
  6. Step 6: Final answer
    x = 14,748.18

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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.