Home / 22,574.16-31,153.95-13,621.16

Finding the Fourth Proportional to 22,574.16, 31,153.95 and 13,621.16

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Solution

The fourth proportional to 22,574.16, 31,153.95 and 13,621.16 is: 18,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574.16 : 31,153.95 = 13,621.16 : x
  2. Step 2: Convert to fraction form
    22,574.16/31,153.95 = 13,621.16/x
  3. Step 3: Cross multiply
    22,574.16x = 31,153.95 × 13,621.16
  4. Step 4: Simplify right side
    22,574.16x = 424,353,015.47
  5. Step 5: Solve for x
    x = 424,353,015.47/22,574.16
  6. Step 6: Final answer
    x = 18,798.18

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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.