Home / 13,564.95-18,718.74-7,595.25

Finding the Fourth Proportional to 13,564.95, 18,718.74 and 7,595.25

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Solution

The fourth proportional to 13,564.95, 18,718.74 and 7,595.25 is: 10,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.95 : 18,718.74 = 7,595.25 : x
  2. Step 2: Convert to fraction form
    13,564.95/18,718.74 = 7,595.25/x
  3. Step 3: Cross multiply
    13,564.95x = 18,718.74 × 7,595.25
  4. Step 4: Simplify right side
    13,564.95x = 142,173,509.99
  5. Step 5: Solve for x
    x = 142,173,509.99/13,564.95
  6. Step 6: Final answer
    x = 10,480.95

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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.