Home / 19,141.84-26,415.18-10,643.74

Finding the Fourth Proportional to 19,141.84, 26,415.18 and 10,643.74

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Solution

The fourth proportional to 19,141.84, 26,415.18 and 10,643.74 is: 14,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.84 : 26,415.18 = 10,643.74 : x
  2. Step 2: Convert to fraction form
    19,141.84/26,415.18 = 10,643.74/x
  3. Step 3: Cross multiply
    19,141.84x = 26,415.18 × 10,643.74
  4. Step 4: Simplify right side
    19,141.84x = 281,156,307.97
  5. Step 5: Solve for x
    x = 281,156,307.97/19,141.84
  6. Step 6: Final answer
    x = 14,688.05

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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.