Home / 25,875.92-35,709-14,975.12

Finding the Fourth Proportional to 25,875.92, 35,709 and 14,975.12

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Solution

The fourth proportional to 25,875.92, 35,709 and 14,975.12 is: 20,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,875.92 : 35,709 = 14,975.12 : x
  2. Step 2: Convert to fraction form
    25,875.92/35,709 = 14,975.12/x
  3. Step 3: Cross multiply
    25,875.92x = 35,709 × 14,975.12
  4. Step 4: Simplify right side
    25,875.92x = 534,746,560.08
  5. Step 5: Solve for x
    x = 534,746,560.08/25,875.92
  6. Step 6: Final answer
    x = 20,665.80

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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.