Home / 14,415.72-19,870.95-10,626.74

Finding the Fourth Proportional to 14,415.72, 19,870.95 and 10,626.74

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Solution

The fourth proportional to 14,415.72, 19,870.95 and 10,626.74 is: 14,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.72 : 19,870.95 = 10,626.74 : x
  2. Step 2: Convert to fraction form
    14,415.72/19,870.95 = 10,626.74/x
  3. Step 3: Cross multiply
    14,415.72x = 19,870.95 × 10,626.74
  4. Step 4: Simplify right side
    14,415.72x = 211,163,419.20
  5. Step 5: Solve for x
    x = 211,163,419.20/14,415.72
  6. Step 6: Final answer
    x = 14,648.14

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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.