Home / 22,772.16-31,405.23-14,275.21

Finding the Fourth Proportional to 22,772.16, 31,405.23 and 14,275.21

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Solution

The fourth proportional to 22,772.16, 31,405.23 and 14,275.21 is: 19,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,772.16 : 31,405.23 = 14,275.21 : x
  2. Step 2: Convert to fraction form
    22,772.16/31,405.23 = 14,275.21/x
  3. Step 3: Cross multiply
    22,772.16x = 31,405.23 × 14,275.21
  4. Step 4: Simplify right side
    22,772.16x = 448,316,281.90
  5. Step 5: Solve for x
    x = 448,316,281.90/22,772.16
  6. Step 6: Final answer
    x = 19,687.03

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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.