Home / 45,206.71-67,802.27-11,927.05

Finding the Fourth Proportional to 45,206.71, 67,802.27 and 11,927.05

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Solution

The fourth proportional to 45,206.71, 67,802.27 and 11,927.05 is: 17,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,206.71 : 67,802.27 = 11,927.05 : x
  2. Step 2: Convert to fraction form
    45,206.71/67,802.27 = 11,927.05/x
  3. Step 3: Cross multiply
    45,206.71x = 67,802.27 × 11,927.05
  4. Step 4: Simplify right side
    45,206.71x = 808,680,835.26
  5. Step 5: Solve for x
    x = 808,680,835.26/45,206.71
  6. Step 6: Final answer
    x = 17,888.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.