Home / 25,646.49-35,389.85-14,315.00

Finding the Fourth Proportional to 25,646.49, 35,389.85 and 14,315.00

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Solution

The fourth proportional to 25,646.49, 35,389.85 and 14,315.00 is: 19,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,646.49 : 35,389.85 = 14,315.00 : x
  2. Step 2: Convert to fraction form
    25,646.49/35,389.85 = 14,315.00/x
  3. Step 3: Cross multiply
    25,646.49x = 35,389.85 × 14,315.00
  4. Step 4: Simplify right side
    25,646.49x = 506,605,454.23
  5. Step 5: Solve for x
    x = 506,605,454.23/25,646.49
  6. Step 6: Final answer
    x = 19,753.40

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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.