Home / 19,243.40-28,886.70-14,880.20

Finding the Fourth Proportional to 19,243.40, 28,886.70 and 14,880.20

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Solution

The fourth proportional to 19,243.40, 28,886.70 and 14,880.20 is: 22,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.40 : 28,886.70 = 14,880.20 : x
  2. Step 2: Convert to fraction form
    19,243.40/28,886.70 = 14,880.20/x
  3. Step 3: Cross multiply
    19,243.40x = 28,886.70 × 14,880.20
  4. Step 4: Simplify right side
    19,243.40x = 429,839,873.34
  5. Step 5: Solve for x
    x = 429,839,873.34/19,243.40
  6. Step 6: Final answer
    x = 22,337.00

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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.