Home / 14,570.10-21,860.55-14,030.10

Finding the Fourth Proportional to 14,570.10, 21,860.55 and 14,030.10

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Solution

The fourth proportional to 14,570.10, 21,860.55 and 14,030.10 is: 21,050.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.10 : 21,860.55 = 14,030.10 : x
  2. Step 2: Convert to fraction form
    14,570.10/21,860.55 = 14,030.10/x
  3. Step 3: Cross multiply
    14,570.10x = 21,860.55 × 14,030.10
  4. Step 4: Simplify right side
    14,570.10x = 306,705,702.56
  5. Step 5: Solve for x
    x = 306,705,702.56/14,570.10
  6. Step 6: Final answer
    x = 21,050.35

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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.