Home / 45,515.08-68,258.76-15,927.40

Finding the Fourth Proportional to 45,515.08, 68,258.76 and 15,927.40

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Solution

The fourth proportional to 45,515.08, 68,258.76 and 15,927.40 is: 23,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.08 : 68,258.76 = 15,927.40 : x
  2. Step 2: Convert to fraction form
    45,515.08/68,258.76 = 15,927.40/x
  3. Step 3: Cross multiply
    45,515.08x = 68,258.76 × 15,927.40
  4. Step 4: Simplify right side
    45,515.08x = 1,087,184,574.02
  5. Step 5: Solve for x
    x = 1,087,184,574.02/45,515.08
  6. Step 6: Final answer
    x = 23,886.25

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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.