Home / 25,878.56-35,710.16-14,547.20

Finding the Fourth Proportional to 25,878.56, 35,710.16 and 14,547.20

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Solution

The fourth proportional to 25,878.56, 35,710.16 and 14,547.20 is: 20,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,878.56 : 35,710.16 = 14,547.20 : x
  2. Step 2: Convert to fraction form
    25,878.56/35,710.16 = 14,547.20/x
  3. Step 3: Cross multiply
    25,878.56x = 35,710.16 × 14,547.20
  4. Step 4: Simplify right side
    25,878.56x = 519,482,588.27
  5. Step 5: Solve for x
    x = 519,482,588.27/25,878.56
  6. Step 6: Final answer
    x = 20,073.86

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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.