Home / 25,312.96-34,931.46-14,702.68

Finding the Fourth Proportional to 25,312.96, 34,931.46 and 14,702.68

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Solution

The fourth proportional to 25,312.96, 34,931.46 and 14,702.68 is: 20,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.96 : 34,931.46 = 14,702.68 : x
  2. Step 2: Convert to fraction form
    25,312.96/34,931.46 = 14,702.68/x
  3. Step 3: Cross multiply
    25,312.96x = 34,931.46 × 14,702.68
  4. Step 4: Simplify right side
    25,312.96x = 513,586,078.31
  5. Step 5: Solve for x
    x = 513,586,078.31/25,312.96
  6. Step 6: Final answer
    x = 20,289.45

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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.