Home / 22,780.08-31,416.07-14,283.13

Finding the Fourth Proportional to 22,780.08, 31,416.07 and 14,283.13

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Solution

The fourth proportional to 22,780.08, 31,416.07 and 14,283.13 is: 19,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,780.08 : 31,416.07 = 14,283.13 : x
  2. Step 2: Convert to fraction form
    22,780.08/31,416.07 = 14,283.13/x
  3. Step 3: Cross multiply
    22,780.08x = 31,416.07 × 14,283.13
  4. Step 4: Simplify right side
    22,780.08x = 448,719,674.89
  5. Step 5: Solve for x
    x = 448,719,674.89/22,780.08
  6. Step 6: Final answer
    x = 19,697.90

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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.