Home / 25,708.81-38,547.63-16,813.40

Finding the Fourth Proportional to 25,708.81, 38,547.63 and 16,813.40

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Solution

The fourth proportional to 25,708.81, 38,547.63 and 16,813.40 is: 25,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708.81 : 38,547.63 = 16,813.40 : x
  2. Step 2: Convert to fraction form
    25,708.81/38,547.63 = 16,813.40/x
  3. Step 3: Cross multiply
    25,708.81x = 38,547.63 × 16,813.40
  4. Step 4: Simplify right side
    25,708.81x = 648,116,529.50
  5. Step 5: Solve for x
    x = 648,116,529.50/25,708.81
  6. Step 6: Final answer
    x = 25,209.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.