Home / 25,680.15-35,438.18-14,349.87

Finding the Fourth Proportional to 25,680.15, 35,438.18 and 14,349.87

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Solution

The fourth proportional to 25,680.15, 35,438.18 and 14,349.87 is: 19,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.15 : 35,438.18 = 14,349.87 : x
  2. Step 2: Convert to fraction form
    25,680.15/35,438.18 = 14,349.87/x
  3. Step 3: Cross multiply
    25,680.15x = 35,438.18 × 14,349.87
  4. Step 4: Simplify right side
    25,680.15x = 508,533,204.29
  5. Step 5: Solve for x
    x = 508,533,204.29/25,680.15
  6. Step 6: Final answer
    x = 19,802.58

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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.