Home / 14,077.32-21,112.65-4,717.68

Finding the Fourth Proportional to 14,077.32, 21,112.65 and 4,717.68

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Solution

The fourth proportional to 14,077.32, 21,112.65 and 4,717.68 is: 7,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.32 : 21,112.65 = 4,717.68 : x
  2. Step 2: Convert to fraction form
    14,077.32/21,112.65 = 4,717.68/x
  3. Step 3: Cross multiply
    14,077.32x = 21,112.65 × 4,717.68
  4. Step 4: Simplify right side
    14,077.32x = 99,602,726.65
  5. Step 5: Solve for x
    x = 99,602,726.65/14,077.32
  6. Step 6: Final answer
    x = 7,075.40

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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.