Home / 22,442.40-30,953.76-16,472.16

Finding the Fourth Proportional to 22,442.40, 30,953.76 and 16,472.16

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Solution

The fourth proportional to 22,442.40, 30,953.76 and 16,472.16 is: 22,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.40 : 30,953.76 = 16,472.16 : x
  2. Step 2: Convert to fraction form
    22,442.40/30,953.76 = 16,472.16/x
  3. Step 3: Cross multiply
    22,442.40x = 30,953.76 × 16,472.16
  4. Step 4: Simplify right side
    22,442.40x = 509,875,287.32
  5. Step 5: Solve for x
    x = 509,875,287.32/22,442.40
  6. Step 6: Final answer
    x = 22,719.29

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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.