Home / 25,312.16-34,928.12-14,699.72

Finding the Fourth Proportional to 25,312.16, 34,928.12 and 14,699.72

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Solution

The fourth proportional to 25,312.16, 34,928.12 and 14,699.72 is: 20,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.16 : 34,928.12 = 14,699.72 : x
  2. Step 2: Convert to fraction form
    25,312.16/34,928.12 = 14,699.72/x
  3. Step 3: Cross multiply
    25,312.16x = 34,928.12 × 14,699.72
  4. Step 4: Simplify right side
    25,312.16x = 513,433,584.13
  5. Step 5: Solve for x
    x = 513,433,584.13/25,312.16
  6. Step 6: Final answer
    x = 20,284.07

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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.