Home / 25,038.16-34,551.64-14,972.20

Finding the Fourth Proportional to 25,038.16, 34,551.64 and 14,972.20

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Solution

The fourth proportional to 25,038.16, 34,551.64 and 14,972.20 is: 20,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,038.16 : 34,551.64 = 14,972.20 : x
  2. Step 2: Convert to fraction form
    25,038.16/34,551.64 = 14,972.20/x
  3. Step 3: Cross multiply
    25,038.16x = 34,551.64 × 14,972.20
  4. Step 4: Simplify right side
    25,038.16x = 517,314,064.41
  5. Step 5: Solve for x
    x = 517,314,064.41/25,038.16
  6. Step 6: Final answer
    x = 20,661.03

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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.